Home / 3,841.96-5,755.74-1,888.36

Finding the Fourth Proportional to 3,841.96, 5,755.74 and 1,888.36

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Solution

The fourth proportional to 3,841.96, 5,755.74 and 1,888.36 is: 2,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.96 : 5,755.74 = 1,888.36 : x
  2. Step 2: Convert to fraction form
    3,841.96/5,755.74 = 1,888.36/x
  3. Step 3: Cross multiply
    3,841.96x = 5,755.74 × 1,888.36
  4. Step 4: Simplify right side
    3,841.96x = 10,868,909.19
  5. Step 5: Solve for x
    x = 10,868,909.19/3,841.96
  6. Step 6: Final answer
    x = 2,829.00

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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.