Home / 3,188.61-4,775.98-1,541.69

Finding the Fourth Proportional to 3,188.61, 4,775.98 and 1,541.69

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Solution

The fourth proportional to 3,188.61, 4,775.98 and 1,541.69 is: 2,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.61 : 4,775.98 = 1,541.69 : x
  2. Step 2: Convert to fraction form
    3,188.61/4,775.98 = 1,541.69/x
  3. Step 3: Cross multiply
    3,188.61x = 4,775.98 × 1,541.69
  4. Step 4: Simplify right side
    3,188.61x = 7,363,080.61
  5. Step 5: Solve for x
    x = 7,363,080.61/3,188.61
  6. Step 6: Final answer
    x = 2,309.18

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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.