Home / 2,004.80-3,006.72-1,030.40

Finding the Fourth Proportional to 2,004.80, 3,006.72 and 1,030.40

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Solution

The fourth proportional to 2,004.80, 3,006.72 and 1,030.40 is: 1,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.80 : 3,006.72 = 1,030.40 : x
  2. Step 2: Convert to fraction form
    2,004.80/3,006.72 = 1,030.40/x
  3. Step 3: Cross multiply
    2,004.80x = 3,006.72 × 1,030.40
  4. Step 4: Simplify right side
    2,004.80x = 3,098,124.29
  5. Step 5: Solve for x
    x = 3,098,124.29/2,004.80
  6. Step 6: Final answer
    x = 1,545.35

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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.