Home / 3,887.04-5,364.15-2,315.19

Finding the Fourth Proportional to 3,887.04, 5,364.15 and 2,315.19

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Solution

The fourth proportional to 3,887.04, 5,364.15 and 2,315.19 is: 3,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.04 : 5,364.15 = 2,315.19 : x
  2. Step 2: Convert to fraction form
    3,887.04/5,364.15 = 2,315.19/x
  3. Step 3: Cross multiply
    3,887.04x = 5,364.15 × 2,315.19
  4. Step 4: Simplify right side
    3,887.04x = 12,419,026.44
  5. Step 5: Solve for x
    x = 12,419,026.44/3,887.04
  6. Step 6: Final answer
    x = 3,194.98

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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.