Home / 2,625.16-3,621.48-1,680.48

Finding the Fourth Proportional to 2,625.16, 3,621.48 and 1,680.48

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Solution

The fourth proportional to 2,625.16, 3,621.48 and 1,680.48 is: 2,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.16 : 3,621.48 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    2,625.16/3,621.48 = 1,680.48/x
  3. Step 3: Cross multiply
    2,625.16x = 3,621.48 × 1,680.48
  4. Step 4: Simplify right side
    2,625.16x = 6,085,824.71
  5. Step 5: Solve for x
    x = 6,085,824.71/2,625.16
  6. Step 6: Final answer
    x = 2,318.27

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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.