Home / 1,454.10-2,169.90-1,406.76

Finding the Fourth Proportional to 1,454.10, 2,169.90 and 1,406.76

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Solution

The fourth proportional to 1,454.10, 2,169.90 and 1,406.76 is: 2,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.10 : 2,169.90 = 1,406.76 : x
  2. Step 2: Convert to fraction form
    1,454.10/2,169.90 = 1,406.76/x
  3. Step 3: Cross multiply
    1,454.10x = 2,169.90 × 1,406.76
  4. Step 4: Simplify right side
    1,454.10x = 3,052,528.52
  5. Step 5: Solve for x
    x = 3,052,528.52/1,454.10
  6. Step 6: Final answer
    x = 2,099.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.