Home / 1,598.68-2,206.20-935.28

Finding the Fourth Proportional to 1,598.68, 2,206.20 and 935.28

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Solution

The fourth proportional to 1,598.68, 2,206.20 and 935.28 is: 1,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.68 : 2,206.20 = 935.28 : x
  2. Step 2: Convert to fraction form
    1,598.68/2,206.20 = 935.28/x
  3. Step 3: Cross multiply
    1,598.68x = 2,206.20 × 935.28
  4. Step 4: Simplify right side
    1,598.68x = 2,063,414.74
  5. Step 5: Solve for x
    x = 2,063,414.74/1,598.68
  6. Step 6: Final answer
    x = 1,290.70

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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.