Home / 2,621.58-3,931.75-1,159.93

Finding the Fourth Proportional to 2,621.58, 3,931.75 and 1,159.93

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Solution

The fourth proportional to 2,621.58, 3,931.75 and 1,159.93 is: 1,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.58 : 3,931.75 = 1,159.93 : x
  2. Step 2: Convert to fraction form
    2,621.58/3,931.75 = 1,159.93/x
  3. Step 3: Cross multiply
    2,621.58x = 3,931.75 × 1,159.93
  4. Step 4: Simplify right side
    2,621.58x = 4,560,554.78
  5. Step 5: Solve for x
    x = 4,560,554.78/2,621.58
  6. Step 6: Final answer
    x = 1,739.62

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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.