Home / 2,207.74-3,045.72-1,368.22

Finding the Fourth Proportional to 2,207.74, 3,045.72 and 1,368.22

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Solution

The fourth proportional to 2,207.74, 3,045.72 and 1,368.22 is: 1,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.74 : 3,045.72 = 1,368.22 : x
  2. Step 2: Convert to fraction form
    2,207.74/3,045.72 = 1,368.22/x
  3. Step 3: Cross multiply
    2,207.74x = 3,045.72 × 1,368.22
  4. Step 4: Simplify right side
    2,207.74x = 4,167,215.02
  5. Step 5: Solve for x
    x = 4,167,215.02/2,207.74
  6. Step 6: Final answer
    x = 1,887.55

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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.