Home / 3,416.16-5,123.42-2,320.22

Finding the Fourth Proportional to 3,416.16, 5,123.42 and 2,320.22

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Solution

The fourth proportional to 3,416.16, 5,123.42 and 2,320.22 is: 3,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.16 : 5,123.42 = 2,320.22 : x
  2. Step 2: Convert to fraction form
    3,416.16/5,123.42 = 2,320.22/x
  3. Step 3: Cross multiply
    3,416.16x = 5,123.42 × 2,320.22
  4. Step 4: Simplify right side
    3,416.16x = 11,887,461.55
  5. Step 5: Solve for x
    x = 11,887,461.55/3,416.16
  6. Step 6: Final answer
    x = 3,479.77

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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.