Home / 3,807.44-5,254.23-2,315.08

Finding the Fourth Proportional to 3,807.44, 5,254.23 and 2,315.08

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Solution

The fourth proportional to 3,807.44, 5,254.23 and 2,315.08 is: 3,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.44 : 5,254.23 = 2,315.08 : x
  2. Step 2: Convert to fraction form
    3,807.44/5,254.23 = 2,315.08/x
  3. Step 3: Cross multiply
    3,807.44x = 5,254.23 × 2,315.08
  4. Step 4: Simplify right side
    3,807.44x = 12,163,978.04
  5. Step 5: Solve for x
    x = 12,163,978.04/3,807.44
  6. Step 6: Final answer
    x = 3,194.79

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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.