Home / 2,074.60-3,117.98-1,807.30

Finding the Fourth Proportional to 2,074.60, 3,117.98 and 1,807.30

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Solution

The fourth proportional to 2,074.60, 3,117.98 and 1,807.30 is: 2,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.60 : 3,117.98 = 1,807.30 : x
  2. Step 2: Convert to fraction form
    2,074.60/3,117.98 = 1,807.30/x
  3. Step 3: Cross multiply
    2,074.60x = 3,117.98 × 1,807.30
  4. Step 4: Simplify right side
    2,074.60x = 5,635,125.25
  5. Step 5: Solve for x
    x = 5,635,125.25/2,074.60
  6. Step 6: Final answer
    x = 2,716.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.