Home / 2,218.59-3,060.99-1,556.01

Finding the Fourth Proportional to 2,218.59, 3,060.99 and 1,556.01

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Solution

The fourth proportional to 2,218.59, 3,060.99 and 1,556.01 is: 2,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.59 : 3,060.99 = 1,556.01 : x
  2. Step 2: Convert to fraction form
    2,218.59/3,060.99 = 1,556.01/x
  3. Step 3: Cross multiply
    2,218.59x = 3,060.99 × 1,556.01
  4. Step 4: Simplify right side
    2,218.59x = 4,762,931.05
  5. Step 5: Solve for x
    x = 4,762,931.05/2,218.59
  6. Step 6: Final answer
    x = 2,146.83

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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.