Home / 3,387.89-4,675.18-1,895.93

Finding the Fourth Proportional to 3,387.89, 4,675.18 and 1,895.93

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Solution

The fourth proportional to 3,387.89, 4,675.18 and 1,895.93 is: 2,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.89 : 4,675.18 = 1,895.93 : x
  2. Step 2: Convert to fraction form
    3,387.89/4,675.18 = 1,895.93/x
  3. Step 3: Cross multiply
    3,387.89x = 4,675.18 × 1,895.93
  4. Step 4: Simplify right side
    3,387.89x = 8,863,814.02
  5. Step 5: Solve for x
    x = 8,863,814.02/3,387.89
  6. Step 6: Final answer
    x = 2,616.32

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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.