Home / 2,633.64-3,634.39-1,515.23

Finding the Fourth Proportional to 2,633.64, 3,634.39 and 1,515.23

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Solution

The fourth proportional to 2,633.64, 3,634.39 and 1,515.23 is: 2,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.64 : 3,634.39 = 1,515.23 : x
  2. Step 2: Convert to fraction form
    2,633.64/3,634.39 = 1,515.23/x
  3. Step 3: Cross multiply
    2,633.64x = 3,634.39 × 1,515.23
  4. Step 4: Simplify right side
    2,633.64x = 5,506,936.76
  5. Step 5: Solve for x
    x = 5,506,936.76/2,633.64
  6. Step 6: Final answer
    x = 2,091.00

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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.