Home / 2,160.69-3,220.48-2,037.66

Finding the Fourth Proportional to 2,160.69, 3,220.48 and 2,037.66

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Solution

The fourth proportional to 2,160.69, 3,220.48 and 2,037.66 is: 3,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.69 : 3,220.48 = 2,037.66 : x
  2. Step 2: Convert to fraction form
    2,160.69/3,220.48 = 2,037.66/x
  3. Step 3: Cross multiply
    2,160.69x = 3,220.48 × 2,037.66
  4. Step 4: Simplify right side
    2,160.69x = 6,562,238.18
  5. Step 5: Solve for x
    x = 6,562,238.18/2,160.69
  6. Step 6: Final answer
    x = 3,037.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.