Home / 2,148.74-2,965.84-1,759.94

Finding the Fourth Proportional to 2,148.74, 2,965.84 and 1,759.94

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Solution

The fourth proportional to 2,148.74, 2,965.84 and 1,759.94 is: 2,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.74 : 2,965.84 = 1,759.94 : x
  2. Step 2: Convert to fraction form
    2,148.74/2,965.84 = 1,759.94/x
  3. Step 3: Cross multiply
    2,148.74x = 2,965.84 × 1,759.94
  4. Step 4: Simplify right side
    2,148.74x = 5,219,681.22
  5. Step 5: Solve for x
    x = 5,219,681.22/2,148.74
  6. Step 6: Final answer
    x = 2,429.19

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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.