Home / 2,521.30-3,480.06-1,775.48

Finding the Fourth Proportional to 2,521.30, 3,480.06 and 1,775.48

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Solution

The fourth proportional to 2,521.30, 3,480.06 and 1,775.48 is: 2,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.30 : 3,480.06 = 1,775.48 : x
  2. Step 2: Convert to fraction form
    2,521.30/3,480.06 = 1,775.48/x
  3. Step 3: Cross multiply
    2,521.30x = 3,480.06 × 1,775.48
  4. Step 4: Simplify right side
    2,521.30x = 6,178,776.93
  5. Step 5: Solve for x
    x = 6,178,776.93/2,521.30
  6. Step 6: Final answer
    x = 2,450.63

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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.