Home / 2,552.24-3,521-1,890.64

Finding the Fourth Proportional to 2,552.24, 3,521 and 1,890.64

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Solution

The fourth proportional to 2,552.24, 3,521 and 1,890.64 is: 2,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.24 : 3,521 = 1,890.64 : x
  2. Step 2: Convert to fraction form
    2,552.24/3,521 = 1,890.64/x
  3. Step 3: Cross multiply
    2,552.24x = 3,521 × 1,890.64
  4. Step 4: Simplify right side
    2,552.24x = 6,656,943.44
  5. Step 5: Solve for x
    x = 6,656,943.44/2,552.24
  6. Step 6: Final answer
    x = 2,608.27

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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.