Home / 3,838.56-5,298.08-2,718.32

Finding the Fourth Proportional to 3,838.56, 5,298.08 and 2,718.32

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Solution

The fourth proportional to 3,838.56, 5,298.08 and 2,718.32 is: 3,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.56 : 5,298.08 = 2,718.32 : x
  2. Step 2: Convert to fraction form
    3,838.56/5,298.08 = 2,718.32/x
  3. Step 3: Cross multiply
    3,838.56x = 5,298.08 × 2,718.32
  4. Step 4: Simplify right side
    3,838.56x = 14,401,876.83
  5. Step 5: Solve for x
    x = 14,401,876.83/3,838.56
  6. Step 6: Final answer
    x = 3,751.90

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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.