Home / 2,207.59-3,045.85-1,368.33

Finding the Fourth Proportional to 2,207.59, 3,045.85 and 1,368.33

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Solution

The fourth proportional to 2,207.59, 3,045.85 and 1,368.33 is: 1,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.59 : 3,045.85 = 1,368.33 : x
  2. Step 2: Convert to fraction form
    2,207.59/3,045.85 = 1,368.33/x
  3. Step 3: Cross multiply
    2,207.59x = 3,045.85 × 1,368.33
  4. Step 4: Simplify right side
    2,207.59x = 4,167,720.78
  5. Step 5: Solve for x
    x = 4,167,720.78/2,207.59
  6. Step 6: Final answer
    x = 1,887.91

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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.