Home / 1,486.50-2,218.53-1,301.64

Finding the Fourth Proportional to 1,486.50, 2,218.53 and 1,301.64

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Solution

The fourth proportional to 1,486.50, 2,218.53 and 1,301.64 is: 1,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.50 : 2,218.53 = 1,301.64 : x
  2. Step 2: Convert to fraction form
    1,486.50/2,218.53 = 1,301.64/x
  3. Step 3: Cross multiply
    1,486.50x = 2,218.53 × 1,301.64
  4. Step 4: Simplify right side
    1,486.50x = 2,887,727.39
  5. Step 5: Solve for x
    x = 2,887,727.39/1,486.50
  6. Step 6: Final answer
    x = 1,942.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.