Home / 1,506.62-2,261.55-1,265.78

Finding the Fourth Proportional to 1,506.62, 2,261.55 and 1,265.78

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Solution

The fourth proportional to 1,506.62, 2,261.55 and 1,265.78 is: 1,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.62 : 2,261.55 = 1,265.78 : x
  2. Step 2: Convert to fraction form
    1,506.62/2,261.55 = 1,265.78/x
  3. Step 3: Cross multiply
    1,506.62x = 2,261.55 × 1,265.78
  4. Step 4: Simplify right side
    1,506.62x = 2,862,624.76
  5. Step 5: Solve for x
    x = 2,862,624.76/1,506.62
  6. Step 6: Final answer
    x = 1,900.03

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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.