Home / 4,143.77-5,718.08-2,631.22

Finding the Fourth Proportional to 4,143.77, 5,718.08 and 2,631.22

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Solution

The fourth proportional to 4,143.77, 5,718.08 and 2,631.22 is: 3,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.77 : 5,718.08 = 2,631.22 : x
  2. Step 2: Convert to fraction form
    4,143.77/5,718.08 = 2,631.22/x
  3. Step 3: Cross multiply
    4,143.77x = 5,718.08 × 2,631.22
  4. Step 4: Simplify right side
    4,143.77x = 15,045,518.74
  5. Step 5: Solve for x
    x = 15,045,518.74/4,143.77
  6. Step 6: Final answer
    x = 3,630.88

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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.