Home / 1,732.08-2,390.28-946.13

Finding the Fourth Proportional to 1,732.08, 2,390.28 and 946.13

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Solution

The fourth proportional to 1,732.08, 2,390.28 and 946.13 is: 1,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.08 : 2,390.28 = 946.13 : x
  2. Step 2: Convert to fraction form
    1,732.08/2,390.28 = 946.13/x
  3. Step 3: Cross multiply
    1,732.08x = 2,390.28 × 946.13
  4. Step 4: Simplify right side
    1,732.08x = 2,261,500.12
  5. Step 5: Solve for x
    x = 2,261,500.12/1,732.08
  6. Step 6: Final answer
    x = 1,305.65

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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.