Home / 2,269.74-3,132.89-1,325.75

Finding the Fourth Proportional to 2,269.74, 3,132.89 and 1,325.75

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Solution

The fourth proportional to 2,269.74, 3,132.89 and 1,325.75 is: 1,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.74 : 3,132.89 = 1,325.75 : x
  2. Step 2: Convert to fraction form
    2,269.74/3,132.89 = 1,325.75/x
  3. Step 3: Cross multiply
    2,269.74x = 3,132.89 × 1,325.75
  4. Step 4: Simplify right side
    2,269.74x = 4,153,406.62
  5. Step 5: Solve for x
    x = 4,153,406.62/2,269.74
  6. Step 6: Final answer
    x = 1,829.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.