Home / 2,136.71-2,944.28-1,576.29

Finding the Fourth Proportional to 2,136.71, 2,944.28 and 1,576.29

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Solution

The fourth proportional to 2,136.71, 2,944.28 and 1,576.29 is: 2,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.71 : 2,944.28 = 1,576.29 : x
  2. Step 2: Convert to fraction form
    2,136.71/2,944.28 = 1,576.29/x
  3. Step 3: Cross multiply
    2,136.71x = 2,944.28 × 1,576.29
  4. Step 4: Simplify right side
    2,136.71x = 4,641,027.82
  5. Step 5: Solve for x
    x = 4,641,027.82/2,136.71
  6. Step 6: Final answer
    x = 2,172.05

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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.