Home / 3,649.65-5,035.55-2,077.71

Finding the Fourth Proportional to 3,649.65, 5,035.55 and 2,077.71

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Solution

The fourth proportional to 3,649.65, 5,035.55 and 2,077.71 is: 2,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.65 : 5,035.55 = 2,077.71 : x
  2. Step 2: Convert to fraction form
    3,649.65/5,035.55 = 2,077.71/x
  3. Step 3: Cross multiply
    3,649.65x = 5,035.55 × 2,077.71
  4. Step 4: Simplify right side
    3,649.65x = 10,462,402.20
  5. Step 5: Solve for x
    x = 10,462,402.20/3,649.65
  6. Step 6: Final answer
    x = 2,866.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.