Home / 3,210.44-4,428.72-2,031.08

Finding the Fourth Proportional to 3,210.44, 4,428.72 and 2,031.08

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Solution

The fourth proportional to 3,210.44, 4,428.72 and 2,031.08 is: 2,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.44 : 4,428.72 = 2,031.08 : x
  2. Step 2: Convert to fraction form
    3,210.44/4,428.72 = 2,031.08/x
  3. Step 3: Cross multiply
    3,210.44x = 4,428.72 × 2,031.08
  4. Step 4: Simplify right side
    3,210.44x = 8,995,084.62
  5. Step 5: Solve for x
    x = 8,995,084.62/3,210.44
  6. Step 6: Final answer
    x = 2,801.82

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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.