Home / 2,426.80-3,639.60-695.56

Finding the Fourth Proportional to 2,426.80, 3,639.60 and 695.56

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Solution

The fourth proportional to 2,426.80, 3,639.60 and 695.56 is: 1,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.80 : 3,639.60 = 695.56 : x
  2. Step 2: Convert to fraction form
    2,426.80/3,639.60 = 695.56/x
  3. Step 3: Cross multiply
    2,426.80x = 3,639.60 × 695.56
  4. Step 4: Simplify right side
    2,426.80x = 2,531,560.18
  5. Step 5: Solve for x
    x = 2,531,560.18/2,426.80
  6. Step 6: Final answer
    x = 1,043.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.