Home / 2,113.40-2,914.44-1,877.42

Finding the Fourth Proportional to 2,113.40, 2,914.44 and 1,877.42

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Solution

The fourth proportional to 2,113.40, 2,914.44 and 1,877.42 is: 2,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.40 : 2,914.44 = 1,877.42 : x
  2. Step 2: Convert to fraction form
    2,113.40/2,914.44 = 1,877.42/x
  3. Step 3: Cross multiply
    2,113.40x = 2,914.44 × 1,877.42
  4. Step 4: Simplify right side
    2,113.40x = 5,471,627.94
  5. Step 5: Solve for x
    x = 5,471,627.94/2,113.40
  6. Step 6: Final answer
    x = 2,589.02

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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.