Home / 2,762.13-4,143.20-1,030.53

Finding the Fourth Proportional to 2,762.13, 4,143.20 and 1,030.53

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Solution

The fourth proportional to 2,762.13, 4,143.20 and 1,030.53 is: 1,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.13 : 4,143.20 = 1,030.53 : x
  2. Step 2: Convert to fraction form
    2,762.13/4,143.20 = 1,030.53/x
  3. Step 3: Cross multiply
    2,762.13x = 4,143.20 × 1,030.53
  4. Step 4: Simplify right side
    2,762.13x = 4,269,686.74
  5. Step 5: Solve for x
    x = 4,269,686.74/2,762.13
  6. Step 6: Final answer
    x = 1,545.80

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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.