Home / 3,537.40-4,880.10-2,210.20

Finding the Fourth Proportional to 3,537.40, 4,880.10 and 2,210.20

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Solution

The fourth proportional to 3,537.40, 4,880.10 and 2,210.20 is: 3,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.40 : 4,880.10 = 2,210.20 : x
  2. Step 2: Convert to fraction form
    3,537.40/4,880.10 = 2,210.20/x
  3. Step 3: Cross multiply
    3,537.40x = 4,880.10 × 2,210.20
  4. Step 4: Simplify right side
    3,537.40x = 10,785,997.02
  5. Step 5: Solve for x
    x = 10,785,997.02/3,537.40
  6. Step 6: Final answer
    x = 3,049.13

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Half scale
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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.