Home / 3,427.48-4,729.93-1,855.58

Finding the Fourth Proportional to 3,427.48, 4,729.93 and 1,855.58

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Solution

The fourth proportional to 3,427.48, 4,729.93 and 1,855.58 is: 2,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.48 : 4,729.93 = 1,855.58 : x
  2. Step 2: Convert to fraction form
    3,427.48/4,729.93 = 1,855.58/x
  3. Step 3: Cross multiply
    3,427.48x = 4,729.93 × 1,855.58
  4. Step 4: Simplify right side
    3,427.48x = 8,776,749.37
  5. Step 5: Solve for x
    x = 8,776,749.37/3,427.48
  6. Step 6: Final answer
    x = 2,560.70

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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.