Home / 2,803.41-3,867.08-1,860.30

Finding the Fourth Proportional to 2,803.41, 3,867.08 and 1,860.30

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Solution

The fourth proportional to 2,803.41, 3,867.08 and 1,860.30 is: 2,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.41 : 3,867.08 = 1,860.30 : x
  2. Step 2: Convert to fraction form
    2,803.41/3,867.08 = 1,860.30/x
  3. Step 3: Cross multiply
    2,803.41x = 3,867.08 × 1,860.30
  4. Step 4: Simplify right side
    2,803.41x = 7,193,919.62
  5. Step 5: Solve for x
    x = 7,193,919.62/2,803.41
  6. Step 6: Final answer
    x = 2,566.13

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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.