Home / 1,384.36-2,063.34-1,306.52

Finding the Fourth Proportional to 1,384.36, 2,063.34 and 1,306.52

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Solution

The fourth proportional to 1,384.36, 2,063.34 and 1,306.52 is: 1,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.36 : 2,063.34 = 1,306.52 : x
  2. Step 2: Convert to fraction form
    1,384.36/2,063.34 = 1,306.52/x
  3. Step 3: Cross multiply
    1,384.36x = 2,063.34 × 1,306.52
  4. Step 4: Simplify right side
    1,384.36x = 2,695,794.98
  5. Step 5: Solve for x
    x = 2,695,794.98/1,384.36
  6. Step 6: Final answer
    x = 1,947.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.