Home / 2,721.48-3,754.44-1,813.20

Finding the Fourth Proportional to 2,721.48, 3,754.44 and 1,813.20

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Solution

The fourth proportional to 2,721.48, 3,754.44 and 1,813.20 is: 2,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.48 : 3,754.44 = 1,813.20 : x
  2. Step 2: Convert to fraction form
    2,721.48/3,754.44 = 1,813.20/x
  3. Step 3: Cross multiply
    2,721.48x = 3,754.44 × 1,813.20
  4. Step 4: Simplify right side
    2,721.48x = 6,807,550.61
  5. Step 5: Solve for x
    x = 6,807,550.61/2,721.48
  6. Step 6: Final answer
    x = 2,501.41

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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.