Home / 1,723.87-2,585.93-491.38

Finding the Fourth Proportional to 1,723.87, 2,585.93 and 491.38

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Solution

The fourth proportional to 1,723.87, 2,585.93 and 491.38 is: 737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.87 : 2,585.93 = 491.38 : x
  2. Step 2: Convert to fraction form
    1,723.87/2,585.93 = 491.38/x
  3. Step 3: Cross multiply
    1,723.87x = 2,585.93 × 491.38
  4. Step 4: Simplify right side
    1,723.87x = 1,270,665.36
  5. Step 5: Solve for x
    x = 1,270,665.36/1,723.87
  6. Step 6: Final answer
    x = 737.10

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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.