Home / 2,374.48-3,561.60-913.76

Finding the Fourth Proportional to 2,374.48, 3,561.60 and 913.76

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Solution

The fourth proportional to 2,374.48, 3,561.60 and 913.76 is: 1,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.48 : 3,561.60 = 913.76 : x
  2. Step 2: Convert to fraction form
    2,374.48/3,561.60 = 913.76/x
  3. Step 3: Cross multiply
    2,374.48x = 3,561.60 × 913.76
  4. Step 4: Simplify right side
    2,374.48x = 3,254,447.62
  5. Step 5: Solve for x
    x = 3,254,447.62/2,374.48
  6. Step 6: Final answer
    x = 1,370.59

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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.