Home / 1,867.20-2,800.79-568.67

Finding the Fourth Proportional to 1,867.20, 2,800.79 and 568.67

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Solution

The fourth proportional to 1,867.20, 2,800.79 and 568.67 is: 853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.20 : 2,800.79 = 568.67 : x
  2. Step 2: Convert to fraction form
    1,867.20/2,800.79 = 568.67/x
  3. Step 3: Cross multiply
    1,867.20x = 2,800.79 × 568.67
  4. Step 4: Simplify right side
    1,867.20x = 1,592,712.67
  5. Step 5: Solve for x
    x = 1,592,712.67/1,867.20
  6. Step 6: Final answer
    x = 853.00

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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.