Home / 3,276.78-4,521.90-1,860.48

Finding the Fourth Proportional to 3,276.78, 4,521.90 and 1,860.48

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Solution

The fourth proportional to 3,276.78, 4,521.90 and 1,860.48 is: 2,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.78 : 4,521.90 = 1,860.48 : x
  2. Step 2: Convert to fraction form
    3,276.78/4,521.90 = 1,860.48/x
  3. Step 3: Cross multiply
    3,276.78x = 4,521.90 × 1,860.48
  4. Step 4: Simplify right side
    3,276.78x = 8,412,904.51
  5. Step 5: Solve for x
    x = 8,412,904.51/3,276.78
  6. Step 6: Final answer
    x = 2,567.43

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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.