Home / 2,910.00-4,015.68-1,583.71

Finding the Fourth Proportional to 2,910.00, 4,015.68 and 1,583.71

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Solution

The fourth proportional to 2,910.00, 4,015.68 and 1,583.71 is: 2,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.00 : 4,015.68 = 1,583.71 : x
  2. Step 2: Convert to fraction form
    2,910.00/4,015.68 = 1,583.71/x
  3. Step 3: Cross multiply
    2,910.00x = 4,015.68 × 1,583.71
  4. Step 4: Simplify right side
    2,910.00x = 6,359,656.59
  5. Step 5: Solve for x
    x = 6,359,656.59/2,910.00
  6. Step 6: Final answer
    x = 2,185.45

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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.