Home / 2,207.86-3,307.98-1,340.32

Finding the Fourth Proportional to 2,207.86, 3,307.98 and 1,340.32

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Solution

The fourth proportional to 2,207.86, 3,307.98 and 1,340.32 is: 2,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.86 : 3,307.98 = 1,340.32 : x
  2. Step 2: Convert to fraction form
    2,207.86/3,307.98 = 1,340.32/x
  3. Step 3: Cross multiply
    2,207.86x = 3,307.98 × 1,340.32
  4. Step 4: Simplify right side
    2,207.86x = 4,433,751.75
  5. Step 5: Solve for x
    x = 4,433,751.75/2,207.86
  6. Step 6: Final answer
    x = 2,008.17

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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.