Home / 2,211.47-3,050.25-1,877.58

Finding the Fourth Proportional to 2,211.47, 3,050.25 and 1,877.58

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Solution

The fourth proportional to 2,211.47, 3,050.25 and 1,877.58 is: 2,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.47 : 3,050.25 = 1,877.58 : x
  2. Step 2: Convert to fraction form
    2,211.47/3,050.25 = 1,877.58/x
  3. Step 3: Cross multiply
    2,211.47x = 3,050.25 × 1,877.58
  4. Step 4: Simplify right side
    2,211.47x = 5,727,088.40
  5. Step 5: Solve for x
    x = 5,727,088.40/2,211.47
  6. Step 6: Final answer
    x = 2,589.73

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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.