Home / 2,301.18-3,176.06-2,160.51

Finding the Fourth Proportional to 2,301.18, 3,176.06 and 2,160.51

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Solution

The fourth proportional to 2,301.18, 3,176.06 and 2,160.51 is: 2,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.18 : 3,176.06 = 2,160.51 : x
  2. Step 2: Convert to fraction form
    2,301.18/3,176.06 = 2,160.51/x
  3. Step 3: Cross multiply
    2,301.18x = 3,176.06 × 2,160.51
  4. Step 4: Simplify right side
    2,301.18x = 6,861,898.59
  5. Step 5: Solve for x
    x = 6,861,898.59/2,301.18
  6. Step 6: Final answer
    x = 2,981.90

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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.