Home / 2,207.86-3,040.17-2,159.26

Finding the Fourth Proportional to 2,207.86, 3,040.17 and 2,159.26

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Solution

The fourth proportional to 2,207.86, 3,040.17 and 2,159.26 is: 2,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.86 : 3,040.17 = 2,159.26 : x
  2. Step 2: Convert to fraction form
    2,207.86/3,040.17 = 2,159.26/x
  3. Step 3: Cross multiply
    2,207.86x = 3,040.17 × 2,159.26
  4. Step 4: Simplify right side
    2,207.86x = 6,564,517.47
  5. Step 5: Solve for x
    x = 6,564,517.47/2,207.86
  6. Step 6: Final answer
    x = 2,973.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.