Home / 3,569.90-4,925.76-1,997.70

Finding the Fourth Proportional to 3,569.90, 4,925.76 and 1,997.70

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Solution

The fourth proportional to 3,569.90, 4,925.76 and 1,997.70 is: 2,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.90 : 4,925.76 = 1,997.70 : x
  2. Step 2: Convert to fraction form
    3,569.90/4,925.76 = 1,997.70/x
  3. Step 3: Cross multiply
    3,569.90x = 4,925.76 × 1,997.70
  4. Step 4: Simplify right side
    3,569.90x = 9,840,190.75
  5. Step 5: Solve for x
    x = 9,840,190.75/3,569.90
  6. Step 6: Final answer
    x = 2,756.43

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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.