Home / 1,339.13-2,011.41-1,029.90

Finding the Fourth Proportional to 1,339.13, 2,011.41 and 1,029.90

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Solution

The fourth proportional to 1,339.13, 2,011.41 and 1,029.90 is: 1,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.13 : 2,011.41 = 1,029.90 : x
  2. Step 2: Convert to fraction form
    1,339.13/2,011.41 = 1,029.90/x
  3. Step 3: Cross multiply
    1,339.13x = 2,011.41 × 1,029.90
  4. Step 4: Simplify right side
    1,339.13x = 2,071,551.16
  5. Step 5: Solve for x
    x = 2,071,551.16/1,339.13
  6. Step 6: Final answer
    x = 1,546.94

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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.