Home / 3,345.26-5,013.48-1,587.92

Finding the Fourth Proportional to 3,345.26, 5,013.48 and 1,587.92

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Solution

The fourth proportional to 3,345.26, 5,013.48 and 1,587.92 is: 2,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.26 : 5,013.48 = 1,587.92 : x
  2. Step 2: Convert to fraction form
    3,345.26/5,013.48 = 1,587.92/x
  3. Step 3: Cross multiply
    3,345.26x = 5,013.48 × 1,587.92
  4. Step 4: Simplify right side
    3,345.26x = 7,961,005.16
  5. Step 5: Solve for x
    x = 7,961,005.16/3,345.26
  6. Step 6: Final answer
    x = 2,379.79

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1.5x scale

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.