Home / 2,145.96-2,966.94-1,650.24

Finding the Fourth Proportional to 2,145.96, 2,966.94 and 1,650.24

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Solution

The fourth proportional to 2,145.96, 2,966.94 and 1,650.24 is: 2,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.96 : 2,966.94 = 1,650.24 : x
  2. Step 2: Convert to fraction form
    2,145.96/2,966.94 = 1,650.24/x
  3. Step 3: Cross multiply
    2,145.96x = 2,966.94 × 1,650.24
  4. Step 4: Simplify right side
    2,145.96x = 4,896,163.07
  5. Step 5: Solve for x
    x = 4,896,163.07/2,145.96
  6. Step 6: Final answer
    x = 2,281.57

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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.