Home / 3,689.20-5,534.05-1,224.07

Finding the Fourth Proportional to 3,689.20, 5,534.05 and 1,224.07

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Solution

The fourth proportional to 3,689.20, 5,534.05 and 1,224.07 is: 1,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.20 : 5,534.05 = 1,224.07 : x
  2. Step 2: Convert to fraction form
    3,689.20/5,534.05 = 1,224.07/x
  3. Step 3: Cross multiply
    3,689.20x = 5,534.05 × 1,224.07
  4. Step 4: Simplify right side
    3,689.20x = 6,774,064.58
  5. Step 5: Solve for x
    x = 6,774,064.58/3,689.20
  6. Step 6: Final answer
    x = 1,836.19

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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.