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Finding the Fourth Proportional to 2,398.94, 3,598.90 and 1,012.28

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Solution

The fourth proportional to 2,398.94, 3,598.90 and 1,012.28 is: 1,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.94 : 3,598.90 = 1,012.28 : x
  2. Step 2: Convert to fraction form
    2,398.94/3,598.90 = 1,012.28/x
  3. Step 3: Cross multiply
    2,398.94x = 3,598.90 × 1,012.28
  4. Step 4: Simplify right side
    2,398.94x = 3,643,073.97
  5. Step 5: Solve for x
    x = 3,643,073.97/2,398.94
  6. Step 6: Final answer
    x = 1,518.62

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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.