Home / 1,613.93-2,226.56-984.35

Finding the Fourth Proportional to 1,613.93, 2,226.56 and 984.35

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Solution

The fourth proportional to 1,613.93, 2,226.56 and 984.35 is: 1,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.93 : 2,226.56 = 984.35 : x
  2. Step 2: Convert to fraction form
    1,613.93/2,226.56 = 984.35/x
  3. Step 3: Cross multiply
    1,613.93x = 2,226.56 × 984.35
  4. Step 4: Simplify right side
    1,613.93x = 2,191,714.98
  5. Step 5: Solve for x
    x = 2,191,714.98/1,613.93
  6. Step 6: Final answer
    x = 1,358.00

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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.