Home / 3,931.79-5,897.67-1,010.09

Finding the Fourth Proportional to 3,931.79, 5,897.67 and 1,010.09

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Solution

The fourth proportional to 3,931.79, 5,897.67 and 1,010.09 is: 1,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.79 : 5,897.67 = 1,010.09 : x
  2. Step 2: Convert to fraction form
    3,931.79/5,897.67 = 1,010.09/x
  3. Step 3: Cross multiply
    3,931.79x = 5,897.67 × 1,010.09
  4. Step 4: Simplify right side
    3,931.79x = 5,957,148.00
  5. Step 5: Solve for x
    x = 5,957,148.00/3,931.79
  6. Step 6: Final answer
    x = 1,515.13

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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.