Home / 3,699.48-5,549.18-926.15

Finding the Fourth Proportional to 3,699.48, 5,549.18 and 926.15

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Solution

The fourth proportional to 3,699.48, 5,549.18 and 926.15 is: 1,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.48 : 5,549.18 = 926.15 : x
  2. Step 2: Convert to fraction form
    3,699.48/5,549.18 = 926.15/x
  3. Step 3: Cross multiply
    3,699.48x = 5,549.18 × 926.15
  4. Step 4: Simplify right side
    3,699.48x = 5,139,340.68
  5. Step 5: Solve for x
    x = 5,139,340.68/3,699.48
  6. Step 6: Final answer
    x = 1,389.20

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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.