Home / 2,939.13-4,056.08-1,760.31

Finding the Fourth Proportional to 2,939.13, 4,056.08 and 1,760.31

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Solution

The fourth proportional to 2,939.13, 4,056.08 and 1,760.31 is: 2,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.13 : 4,056.08 = 1,760.31 : x
  2. Step 2: Convert to fraction form
    2,939.13/4,056.08 = 1,760.31/x
  3. Step 3: Cross multiply
    2,939.13x = 4,056.08 × 1,760.31
  4. Step 4: Simplify right side
    2,939.13x = 7,139,949.38
  5. Step 5: Solve for x
    x = 7,139,949.38/2,939.13
  6. Step 6: Final answer
    x = 2,429.27

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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.