Home / 1,363.10-2,045.68-998.84

Finding the Fourth Proportional to 1,363.10, 2,045.68 and 998.84

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Solution

The fourth proportional to 1,363.10, 2,045.68 and 998.84 is: 1,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.10 : 2,045.68 = 998.84 : x
  2. Step 2: Convert to fraction form
    1,363.10/2,045.68 = 998.84/x
  3. Step 3: Cross multiply
    1,363.10x = 2,045.68 × 998.84
  4. Step 4: Simplify right side
    1,363.10x = 2,043,307.01
  5. Step 5: Solve for x
    x = 2,043,307.01/1,363.10
  6. Step 6: Final answer
    x = 1,499.01

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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.