Home / 3,276.68-4,521.91-1,860.34

Finding the Fourth Proportional to 3,276.68, 4,521.91 and 1,860.34

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Solution

The fourth proportional to 3,276.68, 4,521.91 and 1,860.34 is: 2,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.68 : 4,521.91 = 1,860.34 : x
  2. Step 2: Convert to fraction form
    3,276.68/4,521.91 = 1,860.34/x
  3. Step 3: Cross multiply
    3,276.68x = 4,521.91 × 1,860.34
  4. Step 4: Simplify right side
    3,276.68x = 8,412,267.44
  5. Step 5: Solve for x
    x = 8,412,267.44/3,276.68
  6. Step 6: Final answer
    x = 2,567.31

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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.