Home / 2,345.48-3,518.09-702.07

Finding the Fourth Proportional to 2,345.48, 3,518.09 and 702.07

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Solution

The fourth proportional to 2,345.48, 3,518.09 and 702.07 is: 1,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.48 : 3,518.09 = 702.07 : x
  2. Step 2: Convert to fraction form
    2,345.48/3,518.09 = 702.07/x
  3. Step 3: Cross multiply
    2,345.48x = 3,518.09 × 702.07
  4. Step 4: Simplify right side
    2,345.48x = 2,469,924.35
  5. Step 5: Solve for x
    x = 2,469,924.35/2,345.48
  6. Step 6: Final answer
    x = 1,053.06

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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.