Home / 2,807.10-3,873.66-1,627.98

Finding the Fourth Proportional to 2,807.10, 3,873.66 and 1,627.98

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Solution

The fourth proportional to 2,807.10, 3,873.66 and 1,627.98 is: 2,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.10 : 3,873.66 = 1,627.98 : x
  2. Step 2: Convert to fraction form
    2,807.10/3,873.66 = 1,627.98/x
  3. Step 3: Cross multiply
    2,807.10x = 3,873.66 × 1,627.98
  4. Step 4: Simplify right side
    2,807.10x = 6,306,241.01
  5. Step 5: Solve for x
    x = 6,306,241.01/2,807.10
  6. Step 6: Final answer
    x = 2,246.53

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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.