Home / 2,884.17-3,980.15-1,625.23

Finding the Fourth Proportional to 2,884.17, 3,980.15 and 1,625.23

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Solution

The fourth proportional to 2,884.17, 3,980.15 and 1,625.23 is: 2,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.17 : 3,980.15 = 1,625.23 : x
  2. Step 2: Convert to fraction form
    2,884.17/3,980.15 = 1,625.23/x
  3. Step 3: Cross multiply
    2,884.17x = 3,980.15 × 1,625.23
  4. Step 4: Simplify right side
    2,884.17x = 6,468,641.11
  5. Step 5: Solve for x
    x = 6,468,641.11/2,884.17
  6. Step 6: Final answer
    x = 2,242.81

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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.