Home / 3,507.28-5,264.71-3,119.76

Finding the Fourth Proportional to 3,507.28, 5,264.71 and 3,119.76

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Solution

The fourth proportional to 3,507.28, 5,264.71 and 3,119.76 is: 4,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.28 : 5,264.71 = 3,119.76 : x
  2. Step 2: Convert to fraction form
    3,507.28/5,264.71 = 3,119.76/x
  3. Step 3: Cross multiply
    3,507.28x = 5,264.71 × 3,119.76
  4. Step 4: Simplify right side
    3,507.28x = 16,424,623.87
  5. Step 5: Solve for x
    x = 16,424,623.87/3,507.28
  6. Step 6: Final answer
    x = 4,683.01

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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.