Home / 3,500.89-5,248.29-1,309.65

Finding the Fourth Proportional to 3,500.89, 5,248.29 and 1,309.65

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Solution

The fourth proportional to 3,500.89, 5,248.29 and 1,309.65 is: 1,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.89 : 5,248.29 = 1,309.65 : x
  2. Step 2: Convert to fraction form
    3,500.89/5,248.29 = 1,309.65/x
  3. Step 3: Cross multiply
    3,500.89x = 5,248.29 × 1,309.65
  4. Step 4: Simplify right side
    3,500.89x = 6,873,423.00
  5. Step 5: Solve for x
    x = 6,873,423.00/3,500.89
  6. Step 6: Final answer
    x = 1,963.34

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1.5x scale

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.