Home / 3,416.56-5,123.52-1,225.12

Finding the Fourth Proportional to 3,416.56, 5,123.52 and 1,225.12

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Solution

The fourth proportional to 3,416.56, 5,123.52 and 1,225.12 is: 1,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.56 : 5,123.52 = 1,225.12 : x
  2. Step 2: Convert to fraction form
    3,416.56/5,123.52 = 1,225.12/x
  3. Step 3: Cross multiply
    3,416.56x = 5,123.52 × 1,225.12
  4. Step 4: Simplify right side
    3,416.56x = 6,276,926.82
  5. Step 5: Solve for x
    x = 6,276,926.82/3,416.56
  6. Step 6: Final answer
    x = 1,837.21

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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.