Home / 2,571.12-3,547.26-1,687.44

Finding the Fourth Proportional to 2,571.12, 3,547.26 and 1,687.44

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Solution

The fourth proportional to 2,571.12, 3,547.26 and 1,687.44 is: 2,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.12 : 3,547.26 = 1,687.44 : x
  2. Step 2: Convert to fraction form
    2,571.12/3,547.26 = 1,687.44/x
  3. Step 3: Cross multiply
    2,571.12x = 3,547.26 × 1,687.44
  4. Step 4: Simplify right side
    2,571.12x = 5,985,788.41
  5. Step 5: Solve for x
    x = 5,985,788.41/2,571.12
  6. Step 6: Final answer
    x = 2,328.09

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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.