Home / 2,817.83-3,888.74-1,699.13

Finding the Fourth Proportional to 2,817.83, 3,888.74 and 1,699.13

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Solution

The fourth proportional to 2,817.83, 3,888.74 and 1,699.13 is: 2,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.83 : 3,888.74 = 1,699.13 : x
  2. Step 2: Convert to fraction form
    2,817.83/3,888.74 = 1,699.13/x
  3. Step 3: Cross multiply
    2,817.83x = 3,888.74 × 1,699.13
  4. Step 4: Simplify right side
    2,817.83x = 6,607,474.80
  5. Step 5: Solve for x
    x = 6,607,474.80/2,817.83
  6. Step 6: Final answer
    x = 2,344.88

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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.