Home / 3,543.02-4,878.57-2,796.72

Finding the Fourth Proportional to 3,543.02, 4,878.57 and 2,796.72

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Solution

The fourth proportional to 3,543.02, 4,878.57 and 2,796.72 is: 3,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.02 : 4,878.57 = 2,796.72 : x
  2. Step 2: Convert to fraction form
    3,543.02/4,878.57 = 2,796.72/x
  3. Step 3: Cross multiply
    3,543.02x = 4,878.57 × 2,796.72
  4. Step 4: Simplify right side
    3,543.02x = 13,643,994.29
  5. Step 5: Solve for x
    x = 13,643,994.29/3,543.02
  6. Step 6: Final answer
    x = 3,850.95

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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.