Home / 2,606.04-3,909.60-2,117.88

Finding the Fourth Proportional to 2,606.04, 3,909.60 and 2,117.88

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Solution

The fourth proportional to 2,606.04, 3,909.60 and 2,117.88 is: 3,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.04 : 3,909.60 = 2,117.88 : x
  2. Step 2: Convert to fraction form
    2,606.04/3,909.60 = 2,117.88/x
  3. Step 3: Cross multiply
    2,606.04x = 3,909.60 × 2,117.88
  4. Step 4: Simplify right side
    2,606.04x = 8,280,063.65
  5. Step 5: Solve for x
    x = 8,280,063.65/2,606.04
  6. Step 6: Final answer
    x = 3,177.26

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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.