Home / 2,214.19-3,057.05-1,376.14

Finding the Fourth Proportional to 2,214.19, 3,057.05 and 1,376.14

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Solution

The fourth proportional to 2,214.19, 3,057.05 and 1,376.14 is: 1,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.19 : 3,057.05 = 1,376.14 : x
  2. Step 2: Convert to fraction form
    2,214.19/3,057.05 = 1,376.14/x
  3. Step 3: Cross multiply
    2,214.19x = 3,057.05 × 1,376.14
  4. Step 4: Simplify right side
    2,214.19x = 4,206,921.91
  5. Step 5: Solve for x
    x = 4,206,921.91/2,214.19
  6. Step 6: Final answer
    x = 1,899.99

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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.