Home / 2,586.95-3,880.93-1,027.69

Finding the Fourth Proportional to 2,586.95, 3,880.93 and 1,027.69

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Solution

The fourth proportional to 2,586.95, 3,880.93 and 1,027.69 is: 1,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.95 : 3,880.93 = 1,027.69 : x
  2. Step 2: Convert to fraction form
    2,586.95/3,880.93 = 1,027.69/x
  3. Step 3: Cross multiply
    2,586.95x = 3,880.93 × 1,027.69
  4. Step 4: Simplify right side
    2,586.95x = 3,988,376.12
  5. Step 5: Solve for x
    x = 3,988,376.12/2,586.95
  6. Step 6: Final answer
    x = 1,541.73

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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.