Home / 4,218.48-5,819.21-2,538.87

Finding the Fourth Proportional to 4,218.48, 5,819.21 and 2,538.87

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Solution

The fourth proportional to 4,218.48, 5,819.21 and 2,538.87 is: 3,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.48 : 5,819.21 = 2,538.87 : x
  2. Step 2: Convert to fraction form
    4,218.48/5,819.21 = 2,538.87/x
  3. Step 3: Cross multiply
    4,218.48x = 5,819.21 × 2,538.87
  4. Step 4: Simplify right side
    4,218.48x = 14,774,205.00
  5. Step 5: Solve for x
    x = 14,774,205.00/4,218.48
  6. Step 6: Final answer
    x = 3,502.26

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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.