Home / 2,997.19-4,494.39-916.66

Finding the Fourth Proportional to 2,997.19, 4,494.39 and 916.66

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Solution

The fourth proportional to 2,997.19, 4,494.39 and 916.66 is: 1,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.19 : 4,494.39 = 916.66 : x
  2. Step 2: Convert to fraction form
    2,997.19/4,494.39 = 916.66/x
  3. Step 3: Cross multiply
    2,997.19x = 4,494.39 × 916.66
  4. Step 4: Simplify right side
    2,997.19x = 4,119,827.54
  5. Step 5: Solve for x
    x = 4,119,827.54/2,997.19
  6. Step 6: Final answer
    x = 1,374.56

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1.5x scale

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.