Home / 2,760.48-4,139.10-1,664.15

Finding the Fourth Proportional to 2,760.48, 4,139.10 and 1,664.15

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Solution

The fourth proportional to 2,760.48, 4,139.10 and 1,664.15 is: 2,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.48 : 4,139.10 = 1,664.15 : x
  2. Step 2: Convert to fraction form
    2,760.48/4,139.10 = 1,664.15/x
  3. Step 3: Cross multiply
    2,760.48x = 4,139.10 × 1,664.15
  4. Step 4: Simplify right side
    2,760.48x = 6,888,062.57
  5. Step 5: Solve for x
    x = 6,888,062.57/2,760.48
  6. Step 6: Final answer
    x = 2,495.24

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1.5x scale

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.