Home / 1,452.10-2,174.10-1,306.30

Finding the Fourth Proportional to 1,452.10, 2,174.10 and 1,306.30

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Solution

The fourth proportional to 1,452.10, 2,174.10 and 1,306.30 is: 1,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.10 : 2,174.10 = 1,306.30 : x
  2. Step 2: Convert to fraction form
    1,452.10/2,174.10 = 1,306.30/x
  3. Step 3: Cross multiply
    1,452.10x = 2,174.10 × 1,306.30
  4. Step 4: Simplify right side
    1,452.10x = 2,840,026.83
  5. Step 5: Solve for x
    x = 2,840,026.83/1,452.10
  6. Step 6: Final answer
    x = 1,955.81

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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.