Home / 2,623.17-3,934.74-675.39

Finding the Fourth Proportional to 2,623.17, 3,934.74 and 675.39

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Solution

The fourth proportional to 2,623.17, 3,934.74 and 675.39 is: 1,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.17 : 3,934.74 = 675.39 : x
  2. Step 2: Convert to fraction form
    2,623.17/3,934.74 = 675.39/x
  3. Step 3: Cross multiply
    2,623.17x = 3,934.74 × 675.39
  4. Step 4: Simplify right side
    2,623.17x = 2,657,484.05
  5. Step 5: Solve for x
    x = 2,657,484.05/2,623.17
  6. Step 6: Final answer
    x = 1,013.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.