Home / 3,069.13-4,235.40-1,671.88

Finding the Fourth Proportional to 3,069.13, 4,235.40 and 1,671.88

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Solution

The fourth proportional to 3,069.13, 4,235.40 and 1,671.88 is: 2,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.13 : 4,235.40 = 1,671.88 : x
  2. Step 2: Convert to fraction form
    3,069.13/4,235.40 = 1,671.88/x
  3. Step 3: Cross multiply
    3,069.13x = 4,235.40 × 1,671.88
  4. Step 4: Simplify right side
    3,069.13x = 7,081,051.02
  5. Step 5: Solve for x
    x = 7,081,051.02/3,069.13
  6. Step 6: Final answer
    x = 2,307.19

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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.