Home / 3,145.02-4,335.15-2,513.55

Finding the Fourth Proportional to 3,145.02, 4,335.15 and 2,513.55

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Solution

The fourth proportional to 3,145.02, 4,335.15 and 2,513.55 is: 3,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.02 : 4,335.15 = 2,513.55 : x
  2. Step 2: Convert to fraction form
    3,145.02/4,335.15 = 2,513.55/x
  3. Step 3: Cross multiply
    3,145.02x = 4,335.15 × 2,513.55
  4. Step 4: Simplify right side
    3,145.02x = 10,896,616.28
  5. Step 5: Solve for x
    x = 10,896,616.28/3,145.02
  6. Step 6: Final answer
    x = 3,464.72

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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.