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Finding the Fourth Proportional to 3,967.89, 5,949.55 and 1,501.13

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Solution

The fourth proportional to 3,967.89, 5,949.55 and 1,501.13 is: 2,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.89 : 5,949.55 = 1,501.13 : x
  2. Step 2: Convert to fraction form
    3,967.89/5,949.55 = 1,501.13/x
  3. Step 3: Cross multiply
    3,967.89x = 5,949.55 × 1,501.13
  4. Step 4: Simplify right side
    3,967.89x = 8,931,064.74
  5. Step 5: Solve for x
    x = 8,931,064.74/3,967.89
  6. Step 6: Final answer
    x = 2,250.84

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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.