Home / 1,580.24-2,179.76-950.34

Finding the Fourth Proportional to 1,580.24, 2,179.76 and 950.34

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Solution

The fourth proportional to 1,580.24, 2,179.76 and 950.34 is: 1,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.24 : 2,179.76 = 950.34 : x
  2. Step 2: Convert to fraction form
    1,580.24/2,179.76 = 950.34/x
  3. Step 3: Cross multiply
    1,580.24x = 2,179.76 × 950.34
  4. Step 4: Simplify right side
    1,580.24x = 2,071,513.12
  5. Step 5: Solve for x
    x = 2,071,513.12/1,580.24
  6. Step 6: Final answer
    x = 1,310.89

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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.