Home / 1,555.35-2,330.28-1,462.86

Finding the Fourth Proportional to 1,555.35, 2,330.28 and 1,462.86

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Solution

The fourth proportional to 1,555.35, 2,330.28 and 1,462.86 is: 2,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.35 : 2,330.28 = 1,462.86 : x
  2. Step 2: Convert to fraction form
    1,555.35/2,330.28 = 1,462.86/x
  3. Step 3: Cross multiply
    1,555.35x = 2,330.28 × 1,462.86
  4. Step 4: Simplify right side
    1,555.35x = 3,408,873.40
  5. Step 5: Solve for x
    x = 3,408,873.40/1,555.35
  6. Step 6: Final answer
    x = 2,191.71

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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.