Home / 3,823.58-5,737.52-2,988.30

Finding the Fourth Proportional to 3,823.58, 5,737.52 and 2,988.30

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Solution

The fourth proportional to 3,823.58, 5,737.52 and 2,988.30 is: 4,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.58 : 5,737.52 = 2,988.30 : x
  2. Step 2: Convert to fraction form
    3,823.58/5,737.52 = 2,988.30/x
  3. Step 3: Cross multiply
    3,823.58x = 5,737.52 × 2,988.30
  4. Step 4: Simplify right side
    3,823.58x = 17,145,431.02
  5. Step 5: Solve for x
    x = 17,145,431.02/3,823.58
  6. Step 6: Final answer
    x = 4,484.13

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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.