Home / 3,681.48-5,523.56-1,490.82

Finding the Fourth Proportional to 3,681.48, 5,523.56 and 1,490.82

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Solution

The fourth proportional to 3,681.48, 5,523.56 and 1,490.82 is: 2,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.48 : 5,523.56 = 1,490.82 : x
  2. Step 2: Convert to fraction form
    3,681.48/5,523.56 = 1,490.82/x
  3. Step 3: Cross multiply
    3,681.48x = 5,523.56 × 1,490.82
  4. Step 4: Simplify right side
    3,681.48x = 8,234,633.72
  5. Step 5: Solve for x
    x = 8,234,633.72/3,681.48
  6. Step 6: Final answer
    x = 2,236.77

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1.5x scale

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.