Home / 3,254.19-4,490.91-1,838.18

Finding the Fourth Proportional to 3,254.19, 4,490.91 and 1,838.18

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Solution

The fourth proportional to 3,254.19, 4,490.91 and 1,838.18 is: 2,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.19 : 4,490.91 = 1,838.18 : x
  2. Step 2: Convert to fraction form
    3,254.19/4,490.91 = 1,838.18/x
  3. Step 3: Cross multiply
    3,254.19x = 4,490.91 × 1,838.18
  4. Step 4: Simplify right side
    3,254.19x = 8,255,078.49
  5. Step 5: Solve for x
    x = 8,255,078.49/3,254.19
  6. Step 6: Final answer
    x = 2,536.75

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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.