Home / 3,387.69-4,675.01-1,895.63

Finding the Fourth Proportional to 3,387.69, 4,675.01 and 1,895.63

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Solution

The fourth proportional to 3,387.69, 4,675.01 and 1,895.63 is: 2,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.69 : 4,675.01 = 1,895.63 : x
  2. Step 2: Convert to fraction form
    3,387.69/4,675.01 = 1,895.63/x
  3. Step 3: Cross multiply
    3,387.69x = 4,675.01 × 1,895.63
  4. Step 4: Simplify right side
    3,387.69x = 8,862,089.21
  5. Step 5: Solve for x
    x = 8,862,089.21/3,387.69
  6. Step 6: Final answer
    x = 2,615.97

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Double scale
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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.