Home / 2,713.08-3,742.14-1,665.72

Finding the Fourth Proportional to 2,713.08, 3,742.14 and 1,665.72

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Solution

The fourth proportional to 2,713.08, 3,742.14 and 1,665.72 is: 2,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.08 : 3,742.14 = 1,665.72 : x
  2. Step 2: Convert to fraction form
    2,713.08/3,742.14 = 1,665.72/x
  3. Step 3: Cross multiply
    2,713.08x = 3,742.14 × 1,665.72
  4. Step 4: Simplify right side
    2,713.08x = 6,233,357.44
  5. Step 5: Solve for x
    x = 6,233,357.44/2,713.08
  6. Step 6: Final answer
    x = 2,297.52

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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.