Home / 3,020.38-4,528.50-1,045.51

Finding the Fourth Proportional to 3,020.38, 4,528.50 and 1,045.51

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Solution

The fourth proportional to 3,020.38, 4,528.50 and 1,045.51 is: 1,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.38 : 4,528.50 = 1,045.51 : x
  2. Step 2: Convert to fraction form
    3,020.38/4,528.50 = 1,045.51/x
  3. Step 3: Cross multiply
    3,020.38x = 4,528.50 × 1,045.51
  4. Step 4: Simplify right side
    3,020.38x = 4,734,592.04
  5. Step 5: Solve for x
    x = 4,734,592.04/3,020.38
  6. Step 6: Final answer
    x = 1,567.55

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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.