Home / 2,975.48-4,105.85-1,649.10

Finding the Fourth Proportional to 2,975.48, 4,105.85 and 1,649.10

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Solution

The fourth proportional to 2,975.48, 4,105.85 and 1,649.10 is: 2,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.48 : 4,105.85 = 1,649.10 : x
  2. Step 2: Convert to fraction form
    2,975.48/4,105.85 = 1,649.10/x
  3. Step 3: Cross multiply
    2,975.48x = 4,105.85 × 1,649.10
  4. Step 4: Simplify right side
    2,975.48x = 6,770,948.99
  5. Step 5: Solve for x
    x = 6,770,948.99/2,975.48
  6. Step 6: Final answer
    x = 2,275.59

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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.