Home / 2,808.15-3,875.36-1,549.35

Finding the Fourth Proportional to 2,808.15, 3,875.36 and 1,549.35

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Solution

The fourth proportional to 2,808.15, 3,875.36 and 1,549.35 is: 2,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.15 : 3,875.36 = 1,549.35 : x
  2. Step 2: Convert to fraction form
    2,808.15/3,875.36 = 1,549.35/x
  3. Step 3: Cross multiply
    2,808.15x = 3,875.36 × 1,549.35
  4. Step 4: Simplify right side
    2,808.15x = 6,004,261.89
  5. Step 5: Solve for x
    x = 6,004,261.89/2,808.15
  6. Step 6: Final answer
    x = 2,138.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.