Home / 2,213.78-3,053.99-1,416.71

Finding the Fourth Proportional to 2,213.78, 3,053.99 and 1,416.71

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Solution

The fourth proportional to 2,213.78, 3,053.99 and 1,416.71 is: 1,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.78 : 3,053.99 = 1,416.71 : x
  2. Step 2: Convert to fraction form
    2,213.78/3,053.99 = 1,416.71/x
  3. Step 3: Cross multiply
    2,213.78x = 3,053.99 × 1,416.71
  4. Step 4: Simplify right side
    2,213.78x = 4,326,595.82
  5. Step 5: Solve for x
    x = 4,326,595.82/2,213.78
  6. Step 6: Final answer
    x = 1,954.40

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1.5x scale

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.