Home / 3,529.89-5,294.95-1,309.28

Finding the Fourth Proportional to 3,529.89, 5,294.95 and 1,309.28

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Solution

The fourth proportional to 3,529.89, 5,294.95 and 1,309.28 is: 1,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.89 : 5,294.95 = 1,309.28 : x
  2. Step 2: Convert to fraction form
    3,529.89/5,294.95 = 1,309.28/x
  3. Step 3: Cross multiply
    3,529.89x = 5,294.95 × 1,309.28
  4. Step 4: Simplify right side
    3,529.89x = 6,932,572.14
  5. Step 5: Solve for x
    x = 6,932,572.14/3,529.89
  6. Step 6: Final answer
    x = 1,963.96

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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.