Home / 1,598.25-2,205.68-899.85

Finding the Fourth Proportional to 1,598.25, 2,205.68 and 899.85

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Solution

The fourth proportional to 1,598.25, 2,205.68 and 899.85 is: 1,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.25 : 2,205.68 = 899.85 : x
  2. Step 2: Convert to fraction form
    1,598.25/2,205.68 = 899.85/x
  3. Step 3: Cross multiply
    1,598.25x = 2,205.68 × 899.85
  4. Step 4: Simplify right side
    1,598.25x = 1,984,776.65
  5. Step 5: Solve for x
    x = 1,984,776.65/1,598.25
  6. Step 6: Final answer
    x = 1,241.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.