Home / 2,864.32-4,295.88-1,809.80

Finding the Fourth Proportional to 2,864.32, 4,295.88 and 1,809.80

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Solution

The fourth proportional to 2,864.32, 4,295.88 and 1,809.80 is: 2,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.32 : 4,295.88 = 1,809.80 : x
  2. Step 2: Convert to fraction form
    2,864.32/4,295.88 = 1,809.80/x
  3. Step 3: Cross multiply
    2,864.32x = 4,295.88 × 1,809.80
  4. Step 4: Simplify right side
    2,864.32x = 7,774,683.62
  5. Step 5: Solve for x
    x = 7,774,683.62/2,864.32
  6. Step 6: Final answer
    x = 2,714.32

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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.