Home / 3,152.50-4,350.66-1,755.28

Finding the Fourth Proportional to 3,152.50, 4,350.66 and 1,755.28

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Solution

The fourth proportional to 3,152.50, 4,350.66 and 1,755.28 is: 2,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.50 : 4,350.66 = 1,755.28 : x
  2. Step 2: Convert to fraction form
    3,152.50/4,350.66 = 1,755.28/x
  3. Step 3: Cross multiply
    3,152.50x = 4,350.66 × 1,755.28
  4. Step 4: Simplify right side
    3,152.50x = 7,636,626.48
  5. Step 5: Solve for x
    x = 7,636,626.48/3,152.50
  6. Step 6: Final answer
    x = 2,422.40

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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.