Home / 3,425.65-4,727.35-1,853.74

Finding the Fourth Proportional to 3,425.65, 4,727.35 and 1,853.74

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Solution

The fourth proportional to 3,425.65, 4,727.35 and 1,853.74 is: 2,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.65 : 4,727.35 = 1,853.74 : x
  2. Step 2: Convert to fraction form
    3,425.65/4,727.35 = 1,853.74/x
  3. Step 3: Cross multiply
    3,425.65x = 4,727.35 × 1,853.74
  4. Step 4: Simplify right side
    3,425.65x = 8,763,277.79
  5. Step 5: Solve for x
    x = 8,763,277.79/3,425.65
  6. Step 6: Final answer
    x = 2,558.14

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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.