Home / 3,145.49-4,719.14-1,502.07

Finding the Fourth Proportional to 3,145.49, 4,719.14 and 1,502.07

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Solution

The fourth proportional to 3,145.49, 4,719.14 and 1,502.07 is: 2,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.49 : 4,719.14 = 1,502.07 : x
  2. Step 2: Convert to fraction form
    3,145.49/4,719.14 = 1,502.07/x
  3. Step 3: Cross multiply
    3,145.49x = 4,719.14 × 1,502.07
  4. Step 4: Simplify right side
    3,145.49x = 7,088,478.62
  5. Step 5: Solve for x
    x = 7,088,478.62/3,145.49
  6. Step 6: Final answer
    x = 2,253.54

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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.