Home / 3,151.02-4,341.12-2,265.28

Finding the Fourth Proportional to 3,151.02, 4,341.12 and 2,265.28

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Solution

The fourth proportional to 3,151.02, 4,341.12 and 2,265.28 is: 3,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.02 : 4,341.12 = 2,265.28 : x
  2. Step 2: Convert to fraction form
    3,151.02/4,341.12 = 2,265.28/x
  3. Step 3: Cross multiply
    3,151.02x = 4,341.12 × 2,265.28
  4. Step 4: Simplify right side
    3,151.02x = 9,833,852.31
  5. Step 5: Solve for x
    x = 9,833,852.31/3,151.02
  6. Step 6: Final answer
    x = 3,120.85

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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.