Home / 3,938.74-5,908.33-1,598.40

Finding the Fourth Proportional to 3,938.74, 5,908.33 and 1,598.40

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Solution

The fourth proportional to 3,938.74, 5,908.33 and 1,598.40 is: 2,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.74 : 5,908.33 = 1,598.40 : x
  2. Step 2: Convert to fraction form
    3,938.74/5,908.33 = 1,598.40/x
  3. Step 3: Cross multiply
    3,938.74x = 5,908.33 × 1,598.40
  4. Step 4: Simplify right side
    3,938.74x = 9,443,874.67
  5. Step 5: Solve for x
    x = 9,443,874.67/3,938.74
  6. Step 6: Final answer
    x = 2,397.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.