Home / 2,207.47-3,045.76-1,250.40

Finding the Fourth Proportional to 2,207.47, 3,045.76 and 1,250.40

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Solution

The fourth proportional to 2,207.47, 3,045.76 and 1,250.40 is: 1,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.47 : 3,045.76 = 1,250.40 : x
  2. Step 2: Convert to fraction form
    2,207.47/3,045.76 = 1,250.40/x
  3. Step 3: Cross multiply
    2,207.47x = 3,045.76 × 1,250.40
  4. Step 4: Simplify right side
    2,207.47x = 3,808,418.30
  5. Step 5: Solve for x
    x = 3,808,418.30/2,207.47
  6. Step 6: Final answer
    x = 1,725.24

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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.