Home / 2,721.48-4,080.96-1,626.36

Finding the Fourth Proportional to 2,721.48, 4,080.96 and 1,626.36

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Solution

The fourth proportional to 2,721.48, 4,080.96 and 1,626.36 is: 2,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.48 : 4,080.96 = 1,626.36 : x
  2. Step 2: Convert to fraction form
    2,721.48/4,080.96 = 1,626.36/x
  3. Step 3: Cross multiply
    2,721.48x = 4,080.96 × 1,626.36
  4. Step 4: Simplify right side
    2,721.48x = 6,637,110.11
  5. Step 5: Solve for x
    x = 6,637,110.11/2,721.48
  6. Step 6: Final answer
    x = 2,438.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.