Home / 3,752.93-5,625.91-1,287.16

Finding the Fourth Proportional to 3,752.93, 5,625.91 and 1,287.16

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Solution

The fourth proportional to 3,752.93, 5,625.91 and 1,287.16 is: 1,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.93 : 5,625.91 = 1,287.16 : x
  2. Step 2: Convert to fraction form
    3,752.93/5,625.91 = 1,287.16/x
  3. Step 3: Cross multiply
    3,752.93x = 5,625.91 × 1,287.16
  4. Step 4: Simplify right side
    3,752.93x = 7,241,446.32
  5. Step 5: Solve for x
    x = 7,241,446.32/3,752.93
  6. Step 6: Final answer
    x = 1,929.54

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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.