Home / 4,057.60-6,086.40-1,870.60

Finding the Fourth Proportional to 4,057.60, 6,086.40 and 1,870.60

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Solution

The fourth proportional to 4,057.60, 6,086.40 and 1,870.60 is: 2,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.60 : 6,086.40 = 1,870.60 : x
  2. Step 2: Convert to fraction form
    4,057.60/6,086.40 = 1,870.60/x
  3. Step 3: Cross multiply
    4,057.60x = 6,086.40 × 1,870.60
  4. Step 4: Simplify right side
    4,057.60x = 11,385,219.84
  5. Step 5: Solve for x
    x = 11,385,219.84/4,057.60
  6. Step 6: Final answer
    x = 2,805.90

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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.