Home / 2,374.40-3,561.60-1,557.84

Finding the Fourth Proportional to 2,374.40, 3,561.60 and 1,557.84

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Solution

The fourth proportional to 2,374.40, 3,561.60 and 1,557.84 is: 2,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.40 : 3,561.60 = 1,557.84 : x
  2. Step 2: Convert to fraction form
    2,374.40/3,561.60 = 1,557.84/x
  3. Step 3: Cross multiply
    2,374.40x = 3,561.60 × 1,557.84
  4. Step 4: Simplify right side
    2,374.40x = 5,548,402.94
  5. Step 5: Solve for x
    x = 5,548,402.94/2,374.40
  6. Step 6: Final answer
    x = 2,336.76

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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.