Home / 2,709.23-3,737.25-1,868.45

Finding the Fourth Proportional to 2,709.23, 3,737.25 and 1,868.45

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Solution

The fourth proportional to 2,709.23, 3,737.25 and 1,868.45 is: 2,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.23 : 3,737.25 = 1,868.45 : x
  2. Step 2: Convert to fraction form
    2,709.23/3,737.25 = 1,868.45/x
  3. Step 3: Cross multiply
    2,709.23x = 3,737.25 × 1,868.45
  4. Step 4: Simplify right side
    2,709.23x = 6,982,846.08
  5. Step 5: Solve for x
    x = 6,982,846.08/2,709.23
  6. Step 6: Final answer
    x = 2,577.43

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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.