Home / 2,180.05-3,010.17-1,341.13

Finding the Fourth Proportional to 2,180.05, 3,010.17 and 1,341.13

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Solution

The fourth proportional to 2,180.05, 3,010.17 and 1,341.13 is: 1,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.05 : 3,010.17 = 1,341.13 : x
  2. Step 2: Convert to fraction form
    2,180.05/3,010.17 = 1,341.13/x
  3. Step 3: Cross multiply
    2,180.05x = 3,010.17 × 1,341.13
  4. Step 4: Simplify right side
    2,180.05x = 4,037,029.29
  5. Step 5: Solve for x
    x = 4,037,029.29/2,180.05
  6. Step 6: Final answer
    x = 1,851.81

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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.