Home / 2,207.14-3,045.84-1,275.64

Finding the Fourth Proportional to 2,207.14, 3,045.84 and 1,275.64

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Solution

The fourth proportional to 2,207.14, 3,045.84 and 1,275.64 is: 1,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.14 : 3,045.84 = 1,275.64 : x
  2. Step 2: Convert to fraction form
    2,207.14/3,045.84 = 1,275.64/x
  3. Step 3: Cross multiply
    2,207.14x = 3,045.84 × 1,275.64
  4. Step 4: Simplify right side
    2,207.14x = 3,885,395.34
  5. Step 5: Solve for x
    x = 3,885,395.34/2,207.14
  6. Step 6: Final answer
    x = 1,760.38

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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.