Home / 3,160.71-4,360.91-2,041.70

Finding the Fourth Proportional to 3,160.71, 4,360.91 and 2,041.70

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Solution

The fourth proportional to 3,160.71, 4,360.91 and 2,041.70 is: 2,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.71 : 4,360.91 = 2,041.70 : x
  2. Step 2: Convert to fraction form
    3,160.71/4,360.91 = 2,041.70/x
  3. Step 3: Cross multiply
    3,160.71x = 4,360.91 × 2,041.70
  4. Step 4: Simplify right side
    3,160.71x = 8,903,637.93
  5. Step 5: Solve for x
    x = 8,903,637.93/3,160.71
  6. Step 6: Final answer
    x = 2,816.97

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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.