Home / 3,560.42-4,913.38-1,988.52

Finding the Fourth Proportional to 3,560.42, 4,913.38 and 1,988.52

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Solution

The fourth proportional to 3,560.42, 4,913.38 and 1,988.52 is: 2,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.42 : 4,913.38 = 1,988.52 : x
  2. Step 2: Convert to fraction form
    3,560.42/4,913.38 = 1,988.52/x
  3. Step 3: Cross multiply
    3,560.42x = 4,913.38 × 1,988.52
  4. Step 4: Simplify right side
    3,560.42x = 9,770,354.40
  5. Step 5: Solve for x
    x = 9,770,354.40/3,560.42
  6. Step 6: Final answer
    x = 2,744.16

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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.