Home / 2,612.64-3,934.48-2,355.66

Finding the Fourth Proportional to 2,612.64, 3,934.48 and 2,355.66

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Solution

The fourth proportional to 2,612.64, 3,934.48 and 2,355.66 is: 3,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.64 : 3,934.48 = 2,355.66 : x
  2. Step 2: Convert to fraction form
    2,612.64/3,934.48 = 2,355.66/x
  3. Step 3: Cross multiply
    2,612.64x = 3,934.48 × 2,355.66
  4. Step 4: Simplify right side
    2,612.64x = 9,268,297.16
  5. Step 5: Solve for x
    x = 9,268,297.16/2,612.64
  6. Step 6: Final answer
    x = 3,547.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.