Home / 2,374.08-3,561.34-912.98

Finding the Fourth Proportional to 2,374.08, 3,561.34 and 912.98

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Solution

The fourth proportional to 2,374.08, 3,561.34 and 912.98 is: 1,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.08 : 3,561.34 = 912.98 : x
  2. Step 2: Convert to fraction form
    2,374.08/3,561.34 = 912.98/x
  3. Step 3: Cross multiply
    2,374.08x = 3,561.34 × 912.98
  4. Step 4: Simplify right side
    2,374.08x = 3,251,432.19
  5. Step 5: Solve for x
    x = 3,251,432.19/2,374.08
  6. Step 6: Final answer
    x = 1,369.55

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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.