Home / 2,634.68-3,635.86-1,455.80

Finding the Fourth Proportional to 2,634.68, 3,635.86 and 1,455.80

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Solution

The fourth proportional to 2,634.68, 3,635.86 and 1,455.80 is: 2,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.68 : 3,635.86 = 1,455.80 : x
  2. Step 2: Convert to fraction form
    2,634.68/3,635.86 = 1,455.80/x
  3. Step 3: Cross multiply
    2,634.68x = 3,635.86 × 1,455.80
  4. Step 4: Simplify right side
    2,634.68x = 5,293,084.99
  5. Step 5: Solve for x
    x = 5,293,084.99/2,634.68
  6. Step 6: Final answer
    x = 2,009.00

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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.