Home / 2,110.68-2,916.60-2,009.52

Finding the Fourth Proportional to 2,110.68, 2,916.60 and 2,009.52

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Solution

The fourth proportional to 2,110.68, 2,916.60 and 2,009.52 is: 2,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.68 : 2,916.60 = 2,009.52 : x
  2. Step 2: Convert to fraction form
    2,110.68/2,916.60 = 2,009.52/x
  3. Step 3: Cross multiply
    2,110.68x = 2,916.60 × 2,009.52
  4. Step 4: Simplify right side
    2,110.68x = 5,860,966.03
  5. Step 5: Solve for x
    x = 5,860,966.03/2,110.68
  6. Step 6: Final answer
    x = 2,776.81

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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.