Home / 2,006.20-3,009.30-1,031.50

Finding the Fourth Proportional to 2,006.20, 3,009.30 and 1,031.50

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Solution

The fourth proportional to 2,006.20, 3,009.30 and 1,031.50 is: 1,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.20 : 3,009.30 = 1,031.50 : x
  2. Step 2: Convert to fraction form
    2,006.20/3,009.30 = 1,031.50/x
  3. Step 3: Cross multiply
    2,006.20x = 3,009.30 × 1,031.50
  4. Step 4: Simplify right side
    2,006.20x = 3,104,092.95
  5. Step 5: Solve for x
    x = 3,104,092.95/2,006.20
  6. Step 6: Final answer
    x = 1,547.25

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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.