Home / 3,689.16-5,534.58-1,223.97

Finding the Fourth Proportional to 3,689.16, 5,534.58 and 1,223.97

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Solution

The fourth proportional to 3,689.16, 5,534.58 and 1,223.97 is: 1,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.16 : 5,534.58 = 1,223.97 : x
  2. Step 2: Convert to fraction form
    3,689.16/5,534.58 = 1,223.97/x
  3. Step 3: Cross multiply
    3,689.16x = 5,534.58 × 1,223.97
  4. Step 4: Simplify right side
    3,689.16x = 6,774,159.88
  5. Step 5: Solve for x
    x = 6,774,159.88/3,689.16
  6. Step 6: Final answer
    x = 1,836.23

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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.