Home / 4,080.74-5,631.54-2,312.29

Finding the Fourth Proportional to 4,080.74, 5,631.54 and 2,312.29

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Solution

The fourth proportional to 4,080.74, 5,631.54 and 2,312.29 is: 3,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.74 : 5,631.54 = 2,312.29 : x
  2. Step 2: Convert to fraction form
    4,080.74/5,631.54 = 2,312.29/x
  3. Step 3: Cross multiply
    4,080.74x = 5,631.54 × 2,312.29
  4. Step 4: Simplify right side
    4,080.74x = 13,021,725.47
  5. Step 5: Solve for x
    x = 13,021,725.47/4,080.74
  6. Step 6: Final answer
    x = 3,191.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.