Home / 1,715.24-2,567.82-1,306.04

Finding the Fourth Proportional to 1,715.24, 2,567.82 and 1,306.04

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Solution

The fourth proportional to 1,715.24, 2,567.82 and 1,306.04 is: 1,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.24 : 2,567.82 = 1,306.04 : x
  2. Step 2: Convert to fraction form
    1,715.24/2,567.82 = 1,306.04/x
  3. Step 3: Cross multiply
    1,715.24x = 2,567.82 × 1,306.04
  4. Step 4: Simplify right side
    1,715.24x = 3,353,675.63
  5. Step 5: Solve for x
    x = 3,353,675.63/1,715.24
  6. Step 6: Final answer
    x = 1,955.22

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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.