Home / 1,613.19-2,416.16-1,402.24

Finding the Fourth Proportional to 1,613.19, 2,416.16 and 1,402.24

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Solution

The fourth proportional to 1,613.19, 2,416.16 and 1,402.24 is: 2,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.19 : 2,416.16 = 1,402.24 : x
  2. Step 2: Convert to fraction form
    1,613.19/2,416.16 = 1,402.24/x
  3. Step 3: Cross multiply
    1,613.19x = 2,416.16 × 1,402.24
  4. Step 4: Simplify right side
    1,613.19x = 3,388,029.19
  5. Step 5: Solve for x
    x = 3,388,029.19/1,613.19
  6. Step 6: Final answer
    x = 2,100.21

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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.