Home / 3,102.26-4,281.10-1,860.26

Finding the Fourth Proportional to 3,102.26, 4,281.10 and 1,860.26

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Solution

The fourth proportional to 3,102.26, 4,281.10 and 1,860.26 is: 2,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.26 : 4,281.10 = 1,860.26 : x
  2. Step 2: Convert to fraction form
    3,102.26/4,281.10 = 1,860.26/x
  3. Step 3: Cross multiply
    3,102.26x = 4,281.10 × 1,860.26
  4. Step 4: Simplify right side
    3,102.26x = 7,963,959.09
  5. Step 5: Solve for x
    x = 7,963,959.09/3,102.26
  6. Step 6: Final answer
    x = 2,567.15

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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.