Home / 2,207.02-3,308.77-1,281.52

Finding the Fourth Proportional to 2,207.02, 3,308.77 and 1,281.52

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Solution

The fourth proportional to 2,207.02, 3,308.77 and 1,281.52 is: 1,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.02 : 3,308.77 = 1,281.52 : x
  2. Step 2: Convert to fraction form
    2,207.02/3,308.77 = 1,281.52/x
  3. Step 3: Cross multiply
    2,207.02x = 3,308.77 × 1,281.52
  4. Step 4: Simplify right side
    2,207.02x = 4,240,254.93
  5. Step 5: Solve for x
    x = 4,240,254.93/2,207.02
  6. Step 6: Final answer
    x = 1,921.26

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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.