Home / 3,784.16-5,674-1,472.96

Finding the Fourth Proportional to 3,784.16, 5,674 and 1,472.96

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Solution

The fourth proportional to 3,784.16, 5,674 and 1,472.96 is: 2,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.16 : 5,674 = 1,472.96 : x
  2. Step 2: Convert to fraction form
    3,784.16/5,674 = 1,472.96/x
  3. Step 3: Cross multiply
    3,784.16x = 5,674 × 1,472.96
  4. Step 4: Simplify right side
    3,784.16x = 8,357,575.04
  5. Step 5: Solve for x
    x = 8,357,575.04/3,784.16
  6. Step 6: Final answer
    x = 2,208.57

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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.