Home / 1,539.03-2,306.57-1,340.56

Finding the Fourth Proportional to 1,539.03, 2,306.57 and 1,340.56

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Solution

The fourth proportional to 1,539.03, 2,306.57 and 1,340.56 is: 2,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.03 : 2,306.57 = 1,340.56 : x
  2. Step 2: Convert to fraction form
    1,539.03/2,306.57 = 1,340.56/x
  3. Step 3: Cross multiply
    1,539.03x = 2,306.57 × 1,340.56
  4. Step 4: Simplify right side
    1,539.03x = 3,092,101.71
  5. Step 5: Solve for x
    x = 3,092,101.71/1,539.03
  6. Step 6: Final answer
    x = 2,009.12

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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.