Home / 1,301.12-1,948.77-1,006.61

Finding the Fourth Proportional to 1,301.12, 1,948.77 and 1,006.61

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Solution

The fourth proportional to 1,301.12, 1,948.77 and 1,006.61 is: 1,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.12 : 1,948.77 = 1,006.61 : x
  2. Step 2: Convert to fraction form
    1,301.12/1,948.77 = 1,006.61/x
  3. Step 3: Cross multiply
    1,301.12x = 1,948.77 × 1,006.61
  4. Step 4: Simplify right side
    1,301.12x = 1,961,646.34
  5. Step 5: Solve for x
    x = 1,961,646.34/1,301.12
  6. Step 6: Final answer
    x = 1,507.67

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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.