Home / 2,210.76-3,050.46-1,371.20

Finding the Fourth Proportional to 2,210.76, 3,050.46 and 1,371.20

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Solution

The fourth proportional to 2,210.76, 3,050.46 and 1,371.20 is: 1,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.76 : 3,050.46 = 1,371.20 : x
  2. Step 2: Convert to fraction form
    2,210.76/3,050.46 = 1,371.20/x
  3. Step 3: Cross multiply
    2,210.76x = 3,050.46 × 1,371.20
  4. Step 4: Simplify right side
    2,210.76x = 4,182,775.50
  5. Step 5: Solve for x
    x = 4,182,775.50/2,210.76
  6. Step 6: Final answer
    x = 1,892.01

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Half scale
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Double 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.