Home / 1,603.30-2,212.37-895.04

Finding the Fourth Proportional to 1,603.30, 2,212.37 and 895.04

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Solution

The fourth proportional to 1,603.30, 2,212.37 and 895.04 is: 1,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.30 : 2,212.37 = 895.04 : x
  2. Step 2: Convert to fraction form
    1,603.30/2,212.37 = 895.04/x
  3. Step 3: Cross multiply
    1,603.30x = 2,212.37 × 895.04
  4. Step 4: Simplify right side
    1,603.30x = 1,980,159.64
  5. Step 5: Solve for x
    x = 1,980,159.64/1,603.30
  6. Step 6: Final answer
    x = 1,235.05

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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.