Home / 2,917.68-4,026-1,675.68

Finding the Fourth Proportional to 2,917.68, 4,026 and 1,675.68

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Solution

The fourth proportional to 2,917.68, 4,026 and 1,675.68 is: 2,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.68 : 4,026 = 1,675.68 : x
  2. Step 2: Convert to fraction form
    2,917.68/4,026 = 1,675.68/x
  3. Step 3: Cross multiply
    2,917.68x = 4,026 × 1,675.68
  4. Step 4: Simplify right side
    2,917.68x = 6,746,287.68
  5. Step 5: Solve for x
    x = 6,746,287.68/2,917.68
  6. Step 6: Final answer
    x = 2,312.21

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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.