Home / 2,722.29-3,756.60-1,510.91

Finding the Fourth Proportional to 2,722.29, 3,756.60 and 1,510.91

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Solution

The fourth proportional to 2,722.29, 3,756.60 and 1,510.91 is: 2,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.29 : 3,756.60 = 1,510.91 : x
  2. Step 2: Convert to fraction form
    2,722.29/3,756.60 = 1,510.91/x
  3. Step 3: Cross multiply
    2,722.29x = 3,756.60 × 1,510.91
  4. Step 4: Simplify right side
    2,722.29x = 5,675,889.99
  5. Step 5: Solve for x
    x = 5,675,889.99/2,722.29
  6. Step 6: Final answer
    x = 2,084.97

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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.