Home / 2,580.84-3,871.03-1,264.08

Finding the Fourth Proportional to 2,580.84, 3,871.03 and 1,264.08

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Solution

The fourth proportional to 2,580.84, 3,871.03 and 1,264.08 is: 1,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.84 : 3,871.03 = 1,264.08 : x
  2. Step 2: Convert to fraction form
    2,580.84/3,871.03 = 1,264.08/x
  3. Step 3: Cross multiply
    2,580.84x = 3,871.03 × 1,264.08
  4. Step 4: Simplify right side
    2,580.84x = 4,893,291.60
  5. Step 5: Solve for x
    x = 4,893,291.60/2,580.84
  6. Step 6: Final answer
    x = 1,896.01

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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.