Home / 2,247.95-3,102.14-1,253.20

Finding the Fourth Proportional to 2,247.95, 3,102.14 and 1,253.20

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Solution

The fourth proportional to 2,247.95, 3,102.14 and 1,253.20 is: 1,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.95 : 3,102.14 = 1,253.20 : x
  2. Step 2: Convert to fraction form
    2,247.95/3,102.14 = 1,253.20/x
  3. Step 3: Cross multiply
    2,247.95x = 3,102.14 × 1,253.20
  4. Step 4: Simplify right side
    2,247.95x = 3,887,599.46
  5. Step 5: Solve for x
    x = 3,887,599.46/2,247.95
  6. Step 6: Final answer
    x = 1,729.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,248.95, 3,103.51 and 1,254.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.