Home / 2,913.66-4,372.46-1,269.26

Finding the Fourth Proportional to 2,913.66, 4,372.46 and 1,269.26

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Solution

The fourth proportional to 2,913.66, 4,372.46 and 1,269.26 is: 1,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.66 : 4,372.46 = 1,269.26 : x
  2. Step 2: Convert to fraction form
    2,913.66/4,372.46 = 1,269.26/x
  3. Step 3: Cross multiply
    2,913.66x = 4,372.46 × 1,269.26
  4. Step 4: Simplify right side
    2,913.66x = 5,549,769.89
  5. Step 5: Solve for x
    x = 5,549,769.89/2,913.66
  6. Step 6: Final answer
    x = 1,904.74

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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.