Home / 2,707.38-4,057.98-1,146.40

Finding the Fourth Proportional to 2,707.38, 4,057.98 and 1,146.40

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Solution

The fourth proportional to 2,707.38, 4,057.98 and 1,146.40 is: 1,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.38 : 4,057.98 = 1,146.40 : x
  2. Step 2: Convert to fraction form
    2,707.38/4,057.98 = 1,146.40/x
  3. Step 3: Cross multiply
    2,707.38x = 4,057.98 × 1,146.40
  4. Step 4: Simplify right side
    2,707.38x = 4,652,068.27
  5. Step 5: Solve for x
    x = 4,652,068.27/2,707.38
  6. Step 6: Final answer
    x = 1,718.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.