Home / 2,217.99-3,326.98-1,393.77

Finding the Fourth Proportional to 2,217.99, 3,326.98 and 1,393.77

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Solution

The fourth proportional to 2,217.99, 3,326.98 and 1,393.77 is: 2,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.99 : 3,326.98 = 1,393.77 : x
  2. Step 2: Convert to fraction form
    2,217.99/3,326.98 = 1,393.77/x
  3. Step 3: Cross multiply
    2,217.99x = 3,326.98 × 1,393.77
  4. Step 4: Simplify right side
    2,217.99x = 4,637,044.91
  5. Step 5: Solve for x
    x = 4,637,044.91/2,217.99
  6. Step 6: Final answer
    x = 2,090.65

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1.5x scale

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.