Home / 2,939.13-4,056.05-1,612.89

Finding the Fourth Proportional to 2,939.13, 4,056.05 and 1,612.89

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Solution

The fourth proportional to 2,939.13, 4,056.05 and 1,612.89 is: 2,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.13 : 4,056.05 = 1,612.89 : x
  2. Step 2: Convert to fraction form
    2,939.13/4,056.05 = 1,612.89/x
  3. Step 3: Cross multiply
    2,939.13x = 4,056.05 × 1,612.89
  4. Step 4: Simplify right side
    2,939.13x = 6,541,966.52
  5. Step 5: Solve for x
    x = 6,541,966.52/2,939.13
  6. Step 6: Final answer
    x = 2,225.82

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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.