Home / 3,427.85-4,730.37-1,855.92

Finding the Fourth Proportional to 3,427.85, 4,730.37 and 1,855.92

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Solution

The fourth proportional to 3,427.85, 4,730.37 and 1,855.92 is: 2,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.85 : 4,730.37 = 1,855.92 : x
  2. Step 2: Convert to fraction form
    3,427.85/4,730.37 = 1,855.92/x
  3. Step 3: Cross multiply
    3,427.85x = 4,730.37 × 1,855.92
  4. Step 4: Simplify right side
    3,427.85x = 8,779,188.29
  5. Step 5: Solve for x
    x = 8,779,188.29/3,427.85
  6. Step 6: Final answer
    x = 2,561.14

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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.