Home / 3,837.80-5,756.64-1,888.58

Finding the Fourth Proportional to 3,837.80, 5,756.64 and 1,888.58

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Solution

The fourth proportional to 3,837.80, 5,756.64 and 1,888.58 is: 2,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.80 : 5,756.64 = 1,888.58 : x
  2. Step 2: Convert to fraction form
    3,837.80/5,756.64 = 1,888.58/x
  3. Step 3: Cross multiply
    3,837.80x = 5,756.64 × 1,888.58
  4. Step 4: Simplify right side
    3,837.80x = 10,871,875.17
  5. Step 5: Solve for x
    x = 10,871,875.17/3,837.80
  6. Step 6: Final answer
    x = 2,832.84

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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.