Home / 2,037.12-2,811.52-1,643.52

Finding the Fourth Proportional to 2,037.12, 2,811.52 and 1,643.52

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Solution

The fourth proportional to 2,037.12, 2,811.52 and 1,643.52 is: 2,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.12 : 2,811.52 = 1,643.52 : x
  2. Step 2: Convert to fraction form
    2,037.12/2,811.52 = 1,643.52/x
  3. Step 3: Cross multiply
    2,037.12x = 2,811.52 × 1,643.52
  4. Step 4: Simplify right side
    2,037.12x = 4,620,789.35
  5. Step 5: Solve for x
    x = 4,620,789.35/2,037.12
  6. Step 6: Final answer
    x = 2,268.30

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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.