Home / 3,430.71-5,146.92-1,583.11

Finding the Fourth Proportional to 3,430.71, 5,146.92 and 1,583.11

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Solution

The fourth proportional to 3,430.71, 5,146.92 and 1,583.11 is: 2,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.71 : 5,146.92 = 1,583.11 : x
  2. Step 2: Convert to fraction form
    3,430.71/5,146.92 = 1,583.11/x
  3. Step 3: Cross multiply
    3,430.71x = 5,146.92 × 1,583.11
  4. Step 4: Simplify right side
    3,430.71x = 8,148,153.39
  5. Step 5: Solve for x
    x = 8,148,153.39/3,430.71
  6. Step 6: Final answer
    x = 2,375.06

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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.