Home / 1,307.48-1,961.28-1,244.43

Finding the Fourth Proportional to 1,307.48, 1,961.28 and 1,244.43

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Solution

The fourth proportional to 1,307.48, 1,961.28 and 1,244.43 is: 1,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307.48 : 1,961.28 = 1,244.43 : x
  2. Step 2: Convert to fraction form
    1,307.48/1,961.28 = 1,244.43/x
  3. Step 3: Cross multiply
    1,307.48x = 1,961.28 × 1,244.43
  4. Step 4: Simplify right side
    1,307.48x = 2,440,675.67
  5. Step 5: Solve for x
    x = 2,440,675.67/1,307.48
  6. Step 6: Final answer
    x = 1,866.71

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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.