Home / 1,465.39-2,198.60-903.16

Finding the Fourth Proportional to 1,465.39, 2,198.60 and 903.16

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Solution

The fourth proportional to 1,465.39, 2,198.60 and 903.16 is: 1,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.39 : 2,198.60 = 903.16 : x
  2. Step 2: Convert to fraction form
    1,465.39/2,198.60 = 903.16/x
  3. Step 3: Cross multiply
    1,465.39x = 2,198.60 × 903.16
  4. Step 4: Simplify right side
    1,465.39x = 1,985,687.58
  5. Step 5: Solve for x
    x = 1,985,687.58/1,465.39
  6. Step 6: Final answer
    x = 1,355.06

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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.