Home / 3,347.32-4,619.20-1,855.36

Finding the Fourth Proportional to 3,347.32, 4,619.20 and 1,855.36

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Solution

The fourth proportional to 3,347.32, 4,619.20 and 1,855.36 is: 2,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.32 : 4,619.20 = 1,855.36 : x
  2. Step 2: Convert to fraction form
    3,347.32/4,619.20 = 1,855.36/x
  3. Step 3: Cross multiply
    3,347.32x = 4,619.20 × 1,855.36
  4. Step 4: Simplify right side
    3,347.32x = 8,570,278.91
  5. Step 5: Solve for x
    x = 8,570,278.91/3,347.32
  6. Step 6: Final answer
    x = 2,560.34

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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.