Home / 2,202.17-3,038.89-1,318.46

Finding the Fourth Proportional to 2,202.17, 3,038.89 and 1,318.46

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Solution

The fourth proportional to 2,202.17, 3,038.89 and 1,318.46 is: 1,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.17 : 3,038.89 = 1,318.46 : x
  2. Step 2: Convert to fraction form
    2,202.17/3,038.89 = 1,318.46/x
  3. Step 3: Cross multiply
    2,202.17x = 3,038.89 × 1,318.46
  4. Step 4: Simplify right side
    2,202.17x = 4,006,639.71
  5. Step 5: Solve for x
    x = 4,006,639.71/2,202.17
  6. Step 6: Final answer
    x = 1,819.41

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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.