Home / 3,391.92-5,088.67-1,543.32

Finding the Fourth Proportional to 3,391.92, 5,088.67 and 1,543.32

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Solution

The fourth proportional to 3,391.92, 5,088.67 and 1,543.32 is: 2,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.92 : 5,088.67 = 1,543.32 : x
  2. Step 2: Convert to fraction form
    3,391.92/5,088.67 = 1,543.32/x
  3. Step 3: Cross multiply
    3,391.92x = 5,088.67 × 1,543.32
  4. Step 4: Simplify right side
    3,391.92x = 7,853,442.33
  5. Step 5: Solve for x
    x = 7,853,442.33/3,391.92
  6. Step 6: Final answer
    x = 2,315.34

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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.