Home / 1,544.11-2,318.47-1,521.05

Finding the Fourth Proportional to 1,544.11, 2,318.47 and 1,521.05

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Solution

The fourth proportional to 1,544.11, 2,318.47 and 1,521.05 is: 2,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.11 : 2,318.47 = 1,521.05 : x
  2. Step 2: Convert to fraction form
    1,544.11/2,318.47 = 1,521.05/x
  3. Step 3: Cross multiply
    1,544.11x = 2,318.47 × 1,521.05
  4. Step 4: Simplify right side
    1,544.11x = 3,526,502.91
  5. Step 5: Solve for x
    x = 3,526,502.91/1,544.11
  6. Step 6: Final answer
    x = 2,283.84

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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.