Home / 1,767.48-2,439.41-1,347.15

Finding the Fourth Proportional to 1,767.48, 2,439.41 and 1,347.15

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Solution

The fourth proportional to 1,767.48, 2,439.41 and 1,347.15 is: 1,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.48 : 2,439.41 = 1,347.15 : x
  2. Step 2: Convert to fraction form
    1,767.48/2,439.41 = 1,347.15/x
  3. Step 3: Cross multiply
    1,767.48x = 2,439.41 × 1,347.15
  4. Step 4: Simplify right side
    1,767.48x = 3,286,251.18
  5. Step 5: Solve for x
    x = 3,286,251.18/1,767.48
  6. Step 6: Final answer
    x = 1,859.29

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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.