Home / 2,571.23-3,547.97-1,508.21

Finding the Fourth Proportional to 2,571.23, 3,547.97 and 1,508.21

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Solution

The fourth proportional to 2,571.23, 3,547.97 and 1,508.21 is: 2,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.23 : 3,547.97 = 1,508.21 : x
  2. Step 2: Convert to fraction form
    2,571.23/3,547.97 = 1,508.21/x
  3. Step 3: Cross multiply
    2,571.23x = 3,547.97 × 1,508.21
  4. Step 4: Simplify right side
    2,571.23x = 5,351,058.55
  5. Step 5: Solve for x
    x = 5,351,058.55/2,571.23
  6. Step 6: Final answer
    x = 2,081.13

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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.