Home / 3,089.87-4,264.52-1,764.01

Finding the Fourth Proportional to 3,089.87, 4,264.52 and 1,764.01

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Solution

The fourth proportional to 3,089.87, 4,264.52 and 1,764.01 is: 2,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.87 : 4,264.52 = 1,764.01 : x
  2. Step 2: Convert to fraction form
    3,089.87/4,264.52 = 1,764.01/x
  3. Step 3: Cross multiply
    3,089.87x = 4,264.52 × 1,764.01
  4. Step 4: Simplify right side
    3,089.87x = 7,522,655.93
  5. Step 5: Solve for x
    x = 7,522,655.93/3,089.87
  6. Step 6: Final answer
    x = 2,434.62

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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.