Home / 2,345.60-3,518.90-702.29

Finding the Fourth Proportional to 2,345.60, 3,518.90 and 702.29

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Solution

The fourth proportional to 2,345.60, 3,518.90 and 702.29 is: 1,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.60 : 3,518.90 = 702.29 : x
  2. Step 2: Convert to fraction form
    2,345.60/3,518.90 = 702.29/x
  3. Step 3: Cross multiply
    2,345.60x = 3,518.90 × 702.29
  4. Step 4: Simplify right side
    2,345.60x = 2,471,267.18
  5. Step 5: Solve for x
    x = 2,471,267.18/2,345.60
  6. Step 6: Final answer
    x = 1,053.58

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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.