Home / 3,560.24-4,913.10-1,988.43

Finding the Fourth Proportional to 3,560.24, 4,913.10 and 1,988.43

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Solution

The fourth proportional to 3,560.24, 4,913.10 and 1,988.43 is: 2,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.24 : 4,913.10 = 1,988.43 : x
  2. Step 2: Convert to fraction form
    3,560.24/4,913.10 = 1,988.43/x
  3. Step 3: Cross multiply
    3,560.24x = 4,913.10 × 1,988.43
  4. Step 4: Simplify right side
    3,560.24x = 9,769,355.43
  5. Step 5: Solve for x
    x = 9,769,355.43/3,560.24
  6. Step 6: Final answer
    x = 2,744.02

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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.