Home / 2,426.49-3,639.45-695.07

Finding the Fourth Proportional to 2,426.49, 3,639.45 and 695.07

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Solution

The fourth proportional to 2,426.49, 3,639.45 and 695.07 is: 1,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.49 : 3,639.45 = 695.07 : x
  2. Step 2: Convert to fraction form
    2,426.49/3,639.45 = 695.07/x
  3. Step 3: Cross multiply
    2,426.49x = 3,639.45 × 695.07
  4. Step 4: Simplify right side
    2,426.49x = 2,529,672.51
  5. Step 5: Solve for x
    x = 2,529,672.51/2,426.49
  6. Step 6: Final answer
    x = 1,042.52

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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.