Home / 1,865.54-2,575.19-1,157.53

Finding the Fourth Proportional to 1,865.54, 2,575.19 and 1,157.53

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Solution

The fourth proportional to 1,865.54, 2,575.19 and 1,157.53 is: 1,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.54 : 2,575.19 = 1,157.53 : x
  2. Step 2: Convert to fraction form
    1,865.54/2,575.19 = 1,157.53/x
  3. Step 3: Cross multiply
    1,865.54x = 2,575.19 × 1,157.53
  4. Step 4: Simplify right side
    1,865.54x = 2,980,859.68
  5. Step 5: Solve for x
    x = 2,980,859.68/1,865.54
  6. Step 6: Final answer
    x = 1,597.85

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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.