Home / 1,637.19-2,454.21-1,082.34

Finding the Fourth Proportional to 1,637.19, 2,454.21 and 1,082.34

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Solution

The fourth proportional to 1,637.19, 2,454.21 and 1,082.34 is: 1,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.19 : 2,454.21 = 1,082.34 : x
  2. Step 2: Convert to fraction form
    1,637.19/2,454.21 = 1,082.34/x
  3. Step 3: Cross multiply
    1,637.19x = 2,454.21 × 1,082.34
  4. Step 4: Simplify right side
    1,637.19x = 2,656,289.65
  5. Step 5: Solve for x
    x = 2,656,289.65/1,637.19
  6. Step 6: Final answer
    x = 1,622.47

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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.