Home / 2,721.83-3,750.34-1,836.10

Finding the Fourth Proportional to 2,721.83, 3,750.34 and 1,836.10

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Solution

The fourth proportional to 2,721.83, 3,750.34 and 1,836.10 is: 2,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.83 : 3,750.34 = 1,836.10 : x
  2. Step 2: Convert to fraction form
    2,721.83/3,750.34 = 1,836.10/x
  3. Step 3: Cross multiply
    2,721.83x = 3,750.34 × 1,836.10
  4. Step 4: Simplify right side
    2,721.83x = 6,885,999.27
  5. Step 5: Solve for x
    x = 6,885,999.27/2,721.83
  6. Step 6: Final answer
    x = 2,529.92

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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.