Home / 1,559.20-2,339.13-585.31

Finding the Fourth Proportional to 1,559.20, 2,339.13 and 585.31

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Solution

The fourth proportional to 1,559.20, 2,339.13 and 585.31 is: 878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.20 : 2,339.13 = 585.31 : x
  2. Step 2: Convert to fraction form
    1,559.20/2,339.13 = 585.31/x
  3. Step 3: Cross multiply
    1,559.20x = 2,339.13 × 585.31
  4. Step 4: Simplify right side
    1,559.20x = 1,369,116.18
  5. Step 5: Solve for x
    x = 1,369,116.18/1,559.20
  6. Step 6: Final answer
    x = 878.09

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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.