Home / 3,836.02-5,293.52-2,157.70

Finding the Fourth Proportional to 3,836.02, 5,293.52 and 2,157.70

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Solution

The fourth proportional to 3,836.02, 5,293.52 and 2,157.70 is: 2,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.02 : 5,293.52 = 2,157.70 : x
  2. Step 2: Convert to fraction form
    3,836.02/5,293.52 = 2,157.70/x
  3. Step 3: Cross multiply
    3,836.02x = 5,293.52 × 2,157.70
  4. Step 4: Simplify right side
    3,836.02x = 11,421,828.10
  5. Step 5: Solve for x
    x = 11,421,828.10/3,836.02
  6. Step 6: Final answer
    x = 2,977.52

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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.