Home / 2,236.95-3,087.08-1,242.23

Finding the Fourth Proportional to 2,236.95, 3,087.08 and 1,242.23

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Solution

The fourth proportional to 2,236.95, 3,087.08 and 1,242.23 is: 1,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.95 : 3,087.08 = 1,242.23 : x
  2. Step 2: Convert to fraction form
    2,236.95/3,087.08 = 1,242.23/x
  3. Step 3: Cross multiply
    2,236.95x = 3,087.08 × 1,242.23
  4. Step 4: Simplify right side
    2,236.95x = 3,834,841.74
  5. Step 5: Solve for x
    x = 3,834,841.74/2,236.95
  6. Step 6: Final answer
    x = 1,714.32

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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.