Home / 3,689.74-5,534.68-1,224.76

Finding the Fourth Proportional to 3,689.74, 5,534.68 and 1,224.76

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Solution

The fourth proportional to 3,689.74, 5,534.68 and 1,224.76 is: 1,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.74 : 5,534.68 = 1,224.76 : x
  2. Step 2: Convert to fraction form
    3,689.74/5,534.68 = 1,224.76/x
  3. Step 3: Cross multiply
    3,689.74x = 5,534.68 × 1,224.76
  4. Step 4: Simplify right side
    3,689.74x = 6,778,654.68
  5. Step 5: Solve for x
    x = 6,778,654.68/3,689.74
  6. Step 6: Final answer
    x = 1,837.16

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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.