Home / 2,210.11-3,050.10-1,313.61

Finding the Fourth Proportional to 2,210.11, 3,050.10 and 1,313.61

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Solution

The fourth proportional to 2,210.11, 3,050.10 and 1,313.61 is: 1,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.11 : 3,050.10 = 1,313.61 : x
  2. Step 2: Convert to fraction form
    2,210.11/3,050.10 = 1,313.61/x
  3. Step 3: Cross multiply
    2,210.11x = 3,050.10 × 1,313.61
  4. Step 4: Simplify right side
    2,210.11x = 4,006,635.53
  5. Step 5: Solve for x
    x = 4,006,635.53/2,210.11
  6. Step 6: Final answer
    x = 1,812.87

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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.