Home / 2,803.91-4,207.61-1,572.10

Finding the Fourth Proportional to 2,803.91, 4,207.61 and 1,572.10

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Solution

The fourth proportional to 2,803.91, 4,207.61 and 1,572.10 is: 2,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.91 : 4,207.61 = 1,572.10 : x
  2. Step 2: Convert to fraction form
    2,803.91/4,207.61 = 1,572.10/x
  3. Step 3: Cross multiply
    2,803.91x = 4,207.61 × 1,572.10
  4. Step 4: Simplify right side
    2,803.91x = 6,614,777.09
  5. Step 5: Solve for x
    x = 6,614,777.09/2,803.91
  6. Step 6: Final answer
    x = 2,359.13

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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.