Home / 1,758.20-2,437.43-1,664.57

Finding the Fourth Proportional to 1,758.20, 2,437.43 and 1,664.57

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Solution

The fourth proportional to 1,758.20, 2,437.43 and 1,664.57 is: 2,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.20 : 2,437.43 = 1,664.57 : x
  2. Step 2: Convert to fraction form
    1,758.20/2,437.43 = 1,664.57/x
  3. Step 3: Cross multiply
    1,758.20x = 2,437.43 × 1,664.57
  4. Step 4: Simplify right side
    1,758.20x = 4,057,252.35
  5. Step 5: Solve for x
    x = 4,057,252.35/1,758.20
  6. Step 6: Final answer
    x = 2,307.62

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.