Home / 2,089.53-2,882.37-1,878.12

Finding the Fourth Proportional to 2,089.53, 2,882.37 and 1,878.12

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Solution

The fourth proportional to 2,089.53, 2,882.37 and 1,878.12 is: 2,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.53 : 2,882.37 = 1,878.12 : x
  2. Step 2: Convert to fraction form
    2,089.53/2,882.37 = 1,878.12/x
  3. Step 3: Cross multiply
    2,089.53x = 2,882.37 × 1,878.12
  4. Step 4: Simplify right side
    2,089.53x = 5,413,436.74
  5. Step 5: Solve for x
    x = 5,413,436.74/2,089.53
  6. Step 6: Final answer
    x = 2,590.74

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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.