Home / 2,734.04-3,772.92-1,555.08

Finding the Fourth Proportional to 2,734.04, 3,772.92 and 1,555.08

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Solution

The fourth proportional to 2,734.04, 3,772.92 and 1,555.08 is: 2,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.04 : 3,772.92 = 1,555.08 : x
  2. Step 2: Convert to fraction form
    2,734.04/3,772.92 = 1,555.08/x
  3. Step 3: Cross multiply
    2,734.04x = 3,772.92 × 1,555.08
  4. Step 4: Simplify right side
    2,734.04x = 5,867,192.43
  5. Step 5: Solve for x
    x = 5,867,192.43/2,734.04
  6. Step 6: Final answer
    x = 2,145.98

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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.