Home / 2,911.10-4,366.65-1,744.70

Finding the Fourth Proportional to 2,911.10, 4,366.65 and 1,744.70

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Solution

The fourth proportional to 2,911.10, 4,366.65 and 1,744.70 is: 2,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.10 : 4,366.65 = 1,744.70 : x
  2. Step 2: Convert to fraction form
    2,911.10/4,366.65 = 1,744.70/x
  3. Step 3: Cross multiply
    2,911.10x = 4,366.65 × 1,744.70
  4. Step 4: Simplify right side
    2,911.10x = 7,618,494.26
  5. Step 5: Solve for x
    x = 7,618,494.26/2,911.10
  6. Step 6: Final answer
    x = 2,617.05

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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.