Home / 2,808.32-3,875.51-1,549.41

Finding the Fourth Proportional to 2,808.32, 3,875.51 and 1,549.41

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Solution

The fourth proportional to 2,808.32, 3,875.51 and 1,549.41 is: 2,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.32 : 3,875.51 = 1,549.41 : x
  2. Step 2: Convert to fraction form
    2,808.32/3,875.51 = 1,549.41/x
  3. Step 3: Cross multiply
    2,808.32x = 3,875.51 × 1,549.41
  4. Step 4: Simplify right side
    2,808.32x = 6,004,746.20
  5. Step 5: Solve for x
    x = 6,004,746.20/2,808.32
  6. Step 6: Final answer
    x = 2,138.20

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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.