Home / 1,765.18-2,439.08-1,269.46

Finding the Fourth Proportional to 1,765.18, 2,439.08 and 1,269.46

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Solution

The fourth proportional to 1,765.18, 2,439.08 and 1,269.46 is: 1,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.18 : 2,439.08 = 1,269.46 : x
  2. Step 2: Convert to fraction form
    1,765.18/2,439.08 = 1,269.46/x
  3. Step 3: Cross multiply
    1,765.18x = 2,439.08 × 1,269.46
  4. Step 4: Simplify right side
    1,765.18x = 3,096,314.50
  5. Step 5: Solve for x
    x = 3,096,314.50/1,765.18
  6. Step 6: Final answer
    x = 1,754.11

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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.