Home / 2,932.86-4,388.81-2,547.40

Finding the Fourth Proportional to 2,932.86, 4,388.81 and 2,547.40

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Solution

The fourth proportional to 2,932.86, 4,388.81 and 2,547.40 is: 3,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.86 : 4,388.81 = 2,547.40 : x
  2. Step 2: Convert to fraction form
    2,932.86/4,388.81 = 2,547.40/x
  3. Step 3: Cross multiply
    2,932.86x = 4,388.81 × 2,547.40
  4. Step 4: Simplify right side
    2,932.86x = 11,180,046.28
  5. Step 5: Solve for x
    x = 11,180,046.28/2,932.86
  6. Step 6: Final answer
    x = 3,812.00

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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.