Home / 1,743.47-2,611.79-1,011.51

Finding the Fourth Proportional to 1,743.47, 2,611.79 and 1,011.51

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Solution

The fourth proportional to 1,743.47, 2,611.79 and 1,011.51 is: 1,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.47 : 2,611.79 = 1,011.51 : x
  2. Step 2: Convert to fraction form
    1,743.47/2,611.79 = 1,011.51/x
  3. Step 3: Cross multiply
    1,743.47x = 2,611.79 × 1,011.51
  4. Step 4: Simplify right side
    1,743.47x = 2,641,846.65
  5. Step 5: Solve for x
    x = 2,641,846.65/1,743.47
  6. Step 6: Final answer
    x = 1,515.28

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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.