Home / 3,335.81-4,605.55-2,078.71

Finding the Fourth Proportional to 3,335.81, 4,605.55 and 2,078.71

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Solution

The fourth proportional to 3,335.81, 4,605.55 and 2,078.71 is: 2,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.81 : 4,605.55 = 2,078.71 : x
  2. Step 2: Convert to fraction form
    3,335.81/4,605.55 = 2,078.71/x
  3. Step 3: Cross multiply
    3,335.81x = 4,605.55 × 2,078.71
  4. Step 4: Simplify right side
    3,335.81x = 9,573,586.13
  5. Step 5: Solve for x
    x = 9,573,586.13/3,335.81
  6. Step 6: Final answer
    x = 2,869.94

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1.5x scale

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.