Home / 3,427.18-4,729.50-1,855.30

Finding the Fourth Proportional to 3,427.18, 4,729.50 and 1,855.30

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Solution

The fourth proportional to 3,427.18, 4,729.50 and 1,855.30 is: 2,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.18 : 4,729.50 = 1,855.30 : x
  2. Step 2: Convert to fraction form
    3,427.18/4,729.50 = 1,855.30/x
  3. Step 3: Cross multiply
    3,427.18x = 4,729.50 × 1,855.30
  4. Step 4: Simplify right side
    3,427.18x = 8,774,641.35
  5. Step 5: Solve for x
    x = 8,774,641.35/3,427.18
  6. Step 6: Final answer
    x = 2,560.31

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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.