Home / 1,580.27-2,180.97-950.83

Finding the Fourth Proportional to 1,580.27, 2,180.97 and 950.83

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Solution

The fourth proportional to 1,580.27, 2,180.97 and 950.83 is: 1,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.27 : 2,180.97 = 950.83 : x
  2. Step 2: Convert to fraction form
    1,580.27/2,180.97 = 950.83/x
  3. Step 3: Cross multiply
    1,580.27x = 2,180.97 × 950.83
  4. Step 4: Simplify right side
    1,580.27x = 2,073,731.71
  5. Step 5: Solve for x
    x = 2,073,731.71/1,580.27
  6. Step 6: Final answer
    x = 1,312.26

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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.