Home / 1,478.34-2,205.27-1,232.10

Finding the Fourth Proportional to 1,478.34, 2,205.27 and 1,232.10

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Solution

The fourth proportional to 1,478.34, 2,205.27 and 1,232.10 is: 1,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.34 : 2,205.27 = 1,232.10 : x
  2. Step 2: Convert to fraction form
    1,478.34/2,205.27 = 1,232.10/x
  3. Step 3: Cross multiply
    1,478.34x = 2,205.27 × 1,232.10
  4. Step 4: Simplify right side
    1,478.34x = 2,717,113.17
  5. Step 5: Solve for x
    x = 2,717,113.17/1,478.34
  6. Step 6: Final answer
    x = 1,837.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.