Home / 1,767.20-2,438.12-1,502.56

Finding the Fourth Proportional to 1,767.20, 2,438.12 and 1,502.56

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Solution

The fourth proportional to 1,767.20, 2,438.12 and 1,502.56 is: 2,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.20 : 2,438.12 = 1,502.56 : x
  2. Step 2: Convert to fraction form
    1,767.20/2,438.12 = 1,502.56/x
  3. Step 3: Cross multiply
    1,767.20x = 2,438.12 × 1,502.56
  4. Step 4: Simplify right side
    1,767.20x = 3,663,421.59
  5. Step 5: Solve for x
    x = 3,663,421.59/1,767.20
  6. Step 6: Final answer
    x = 2,073.01

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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.