Home / 2,426.02-3,639.12-782.08

Finding the Fourth Proportional to 2,426.02, 3,639.12 and 782.08

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Solution

The fourth proportional to 2,426.02, 3,639.12 and 782.08 is: 1,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.02 : 3,639.12 = 782.08 : x
  2. Step 2: Convert to fraction form
    2,426.02/3,639.12 = 782.08/x
  3. Step 3: Cross multiply
    2,426.02x = 3,639.12 × 782.08
  4. Step 4: Simplify right side
    2,426.02x = 2,846,082.97
  5. Step 5: Solve for x
    x = 2,846,082.97/2,426.02
  6. Step 6: Final answer
    x = 1,173.15

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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.