Home / 2,864.66-4,288.91-1,822.10

Finding the Fourth Proportional to 2,864.66, 4,288.91 and 1,822.10

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Solution

The fourth proportional to 2,864.66, 4,288.91 and 1,822.10 is: 2,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.66 : 4,288.91 = 1,822.10 : x
  2. Step 2: Convert to fraction form
    2,864.66/4,288.91 = 1,822.10/x
  3. Step 3: Cross multiply
    2,864.66x = 4,288.91 × 1,822.10
  4. Step 4: Simplify right side
    2,864.66x = 7,814,792.36
  5. Step 5: Solve for x
    x = 7,814,792.36/2,864.66
  6. Step 6: Final answer
    x = 2,728.00

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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.