Home / 1,598.09-2,205.35-889.94

Finding the Fourth Proportional to 1,598.09, 2,205.35 and 889.94

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Solution

The fourth proportional to 1,598.09, 2,205.35 and 889.94 is: 1,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.09 : 2,205.35 = 889.94 : x
  2. Step 2: Convert to fraction form
    1,598.09/2,205.35 = 889.94/x
  3. Step 3: Cross multiply
    1,598.09x = 2,205.35 × 889.94
  4. Step 4: Simplify right side
    1,598.09x = 1,962,613.70
  5. Step 5: Solve for x
    x = 1,962,613.70/1,598.09
  6. Step 6: Final answer
    x = 1,228.10

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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.