Home / 2,586.27-3,570.21-1,956.90

Finding the Fourth Proportional to 2,586.27, 3,570.21 and 1,956.90

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Solution

The fourth proportional to 2,586.27, 3,570.21 and 1,956.90 is: 2,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.27 : 3,570.21 = 1,956.90 : x
  2. Step 2: Convert to fraction form
    2,586.27/3,570.21 = 1,956.90/x
  3. Step 3: Cross multiply
    2,586.27x = 3,570.21 × 1,956.90
  4. Step 4: Simplify right side
    2,586.27x = 6,986,543.95
  5. Step 5: Solve for x
    x = 6,986,543.95/2,586.27
  6. Step 6: Final answer
    x = 2,701.40

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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.