Home / 2,426.02-3,639.63-694.63

Finding the Fourth Proportional to 2,426.02, 3,639.63 and 694.63

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Solution

The fourth proportional to 2,426.02, 3,639.63 and 694.63 is: 1,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.02 : 3,639.63 = 694.63 : x
  2. Step 2: Convert to fraction form
    2,426.02/3,639.63 = 694.63/x
  3. Step 3: Cross multiply
    2,426.02x = 3,639.63 × 694.63
  4. Step 4: Simplify right side
    2,426.02x = 2,528,196.19
  5. Step 5: Solve for x
    x = 2,528,196.19/2,426.02
  6. Step 6: Final answer
    x = 1,042.12

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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.