Home / 2,154.66-3,229.23-1,875.87

Finding the Fourth Proportional to 2,154.66, 3,229.23 and 1,875.87

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Solution

The fourth proportional to 2,154.66, 3,229.23 and 1,875.87 is: 2,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.66 : 3,229.23 = 1,875.87 : x
  2. Step 2: Convert to fraction form
    2,154.66/3,229.23 = 1,875.87/x
  3. Step 3: Cross multiply
    2,154.66x = 3,229.23 × 1,875.87
  4. Step 4: Simplify right side
    2,154.66x = 6,057,599.53
  5. Step 5: Solve for x
    x = 6,057,599.53/2,154.66
  6. Step 6: Final answer
    x = 2,811.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.