Home / 3,560.28-4,913.17-1,988.37

Finding the Fourth Proportional to 3,560.28, 4,913.17 and 1,988.37

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Solution

The fourth proportional to 3,560.28, 4,913.17 and 1,988.37 is: 2,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.28 : 4,913.17 = 1,988.37 : x
  2. Step 2: Convert to fraction form
    3,560.28/4,913.17 = 1,988.37/x
  3. Step 3: Cross multiply
    3,560.28x = 4,913.17 × 1,988.37
  4. Step 4: Simplify right side
    3,560.28x = 9,769,199.83
  5. Step 5: Solve for x
    x = 9,769,199.83/3,560.28
  6. Step 6: Final answer
    x = 2,743.94

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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.