Home / 2,752.32-4,117.98-2,420.61

Finding the Fourth Proportional to 2,752.32, 4,117.98 and 2,420.61

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Solution

The fourth proportional to 2,752.32, 4,117.98 and 2,420.61 is: 3,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.32 : 4,117.98 = 2,420.61 : x
  2. Step 2: Convert to fraction form
    2,752.32/4,117.98 = 2,420.61/x
  3. Step 3: Cross multiply
    2,752.32x = 4,117.98 × 2,420.61
  4. Step 4: Simplify right side
    2,752.32x = 9,968,023.57
  5. Step 5: Solve for x
    x = 9,968,023.57/2,752.32
  6. Step 6: Final answer
    x = 3,621.68

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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.