Home / 2,808.24-3,875.36-1,549.36

Finding the Fourth Proportional to 2,808.24, 3,875.36 and 1,549.36

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Solution

The fourth proportional to 2,808.24, 3,875.36 and 1,549.36 is: 2,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.24 : 3,875.36 = 1,549.36 : x
  2. Step 2: Convert to fraction form
    2,808.24/3,875.36 = 1,549.36/x
  3. Step 3: Cross multiply
    2,808.24x = 3,875.36 × 1,549.36
  4. Step 4: Simplify right side
    2,808.24x = 6,004,327.77
  5. Step 5: Solve for x
    x = 6,004,327.77/2,808.24
  6. Step 6: Final answer
    x = 2,138.11

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1.5x scale

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.