Home / 3,364.80-4,643.15-1,948.59

Finding the Fourth Proportional to 3,364.80, 4,643.15 and 1,948.59

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Solution

The fourth proportional to 3,364.80, 4,643.15 and 1,948.59 is: 2,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.80 : 4,643.15 = 1,948.59 : x
  2. Step 2: Convert to fraction form
    3,364.80/4,643.15 = 1,948.59/x
  3. Step 3: Cross multiply
    3,364.80x = 4,643.15 × 1,948.59
  4. Step 4: Simplify right side
    3,364.80x = 9,047,585.92
  5. Step 5: Solve for x
    x = 9,047,585.92/3,364.80
  6. Step 6: Final answer
    x = 2,688.89

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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.