Home / 2,384.56-3,290.68-1,336.63

Finding the Fourth Proportional to 2,384.56, 3,290.68 and 1,336.63

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Solution

The fourth proportional to 2,384.56, 3,290.68 and 1,336.63 is: 1,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.56 : 3,290.68 = 1,336.63 : x
  2. Step 2: Convert to fraction form
    2,384.56/3,290.68 = 1,336.63/x
  3. Step 3: Cross multiply
    2,384.56x = 3,290.68 × 1,336.63
  4. Step 4: Simplify right side
    2,384.56x = 4,398,421.61
  5. Step 5: Solve for x
    x = 4,398,421.61/2,384.56
  6. Step 6: Final answer
    x = 1,844.54

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1.5x scale

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.