Home / 1,560.88-2,349.23-1,172.98

Finding the Fourth Proportional to 1,560.88, 2,349.23 and 1,172.98

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Solution

The fourth proportional to 1,560.88, 2,349.23 and 1,172.98 is: 1,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.88 : 2,349.23 = 1,172.98 : x
  2. Step 2: Convert to fraction form
    1,560.88/2,349.23 = 1,172.98/x
  3. Step 3: Cross multiply
    1,560.88x = 2,349.23 × 1,172.98
  4. Step 4: Simplify right side
    1,560.88x = 2,755,599.81
  5. Step 5: Solve for x
    x = 2,755,599.81/1,560.88
  6. Step 6: Final answer
    x = 1,765.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.