Home / 3,031.45-4,545.05-1,569.80

Finding the Fourth Proportional to 3,031.45, 4,545.05 and 1,569.80

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Solution

The fourth proportional to 3,031.45, 4,545.05 and 1,569.80 is: 2,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.45 : 4,545.05 = 1,569.80 : x
  2. Step 2: Convert to fraction form
    3,031.45/4,545.05 = 1,569.80/x
  3. Step 3: Cross multiply
    3,031.45x = 4,545.05 × 1,569.80
  4. Step 4: Simplify right side
    3,031.45x = 7,134,823.00
  5. Step 5: Solve for x
    x = 7,134,823.00/3,031.45
  6. Step 6: Final answer
    x = 2,353.60

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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.