Home / 2,188.50-3,025.53-2,096.70

Finding the Fourth Proportional to 2,188.50, 3,025.53 and 2,096.70

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Solution

The fourth proportional to 2,188.50, 3,025.53 and 2,096.70 is: 2,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.50 : 3,025.53 = 2,096.70 : x
  2. Step 2: Convert to fraction form
    2,188.50/3,025.53 = 2,096.70/x
  3. Step 3: Cross multiply
    2,188.50x = 3,025.53 × 2,096.70
  4. Step 4: Simplify right side
    2,188.50x = 6,343,628.75
  5. Step 5: Solve for x
    x = 6,343,628.75/2,188.50
  6. Step 6: Final answer
    x = 2,898.62

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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.