Home / 2,939.18-4,055.58-1,760.24

Finding the Fourth Proportional to 2,939.18, 4,055.58 and 1,760.24

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Solution

The fourth proportional to 2,939.18, 4,055.58 and 1,760.24 is: 2,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.18 : 4,055.58 = 1,760.24 : x
  2. Step 2: Convert to fraction form
    2,939.18/4,055.58 = 1,760.24/x
  3. Step 3: Cross multiply
    2,939.18x = 4,055.58 × 1,760.24
  4. Step 4: Simplify right side
    2,939.18x = 7,138,804.28
  5. Step 5: Solve for x
    x = 7,138,804.28/2,939.18
  6. Step 6: Final answer
    x = 2,428.85

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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.