Home / 1,603.11-2,212.35-894.99

Finding the Fourth Proportional to 1,603.11, 2,212.35 and 894.99

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Solution

The fourth proportional to 1,603.11, 2,212.35 and 894.99 is: 1,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.11 : 2,212.35 = 894.99 : x
  2. Step 2: Convert to fraction form
    1,603.11/2,212.35 = 894.99/x
  3. Step 3: Cross multiply
    1,603.11x = 2,212.35 × 894.99
  4. Step 4: Simplify right side
    1,603.11x = 1,980,031.13
  5. Step 5: Solve for x
    x = 1,980,031.13/1,603.11
  6. Step 6: Final answer
    x = 1,235.12

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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.