Home / 2,586.98-3,568.43-2,256.20

Finding the Fourth Proportional to 2,586.98, 3,568.43 and 2,256.20

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Solution

The fourth proportional to 2,586.98, 3,568.43 and 2,256.20 is: 3,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.98 : 3,568.43 = 2,256.20 : x
  2. Step 2: Convert to fraction form
    2,586.98/3,568.43 = 2,256.20/x
  3. Step 3: Cross multiply
    2,586.98x = 3,568.43 × 2,256.20
  4. Step 4: Simplify right side
    2,586.98x = 8,051,080.49
  5. Step 5: Solve for x
    x = 8,051,080.49/2,586.98
  6. Step 6: Final answer
    x = 3,112.15

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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.