Home / 1,799.19-2,698.80-500.64

Finding the Fourth Proportional to 1,799.19, 2,698.80 and 500.64

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Solution

The fourth proportional to 1,799.19, 2,698.80 and 500.64 is: 750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.19 : 2,698.80 = 500.64 : x
  2. Step 2: Convert to fraction form
    1,799.19/2,698.80 = 500.64/x
  3. Step 3: Cross multiply
    1,799.19x = 2,698.80 × 500.64
  4. Step 4: Simplify right side
    1,799.19x = 1,351,127.23
  5. Step 5: Solve for x
    x = 1,351,127.23/1,799.19
  6. Step 6: Final answer
    x = 750.96

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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.