Home / 3,427.98-4,730.62-1,856.07

Finding the Fourth Proportional to 3,427.98, 4,730.62 and 1,856.07

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Solution

The fourth proportional to 3,427.98, 4,730.62 and 1,856.07 is: 2,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.98 : 4,730.62 = 1,856.07 : x
  2. Step 2: Convert to fraction form
    3,427.98/4,730.62 = 1,856.07/x
  3. Step 3: Cross multiply
    3,427.98x = 4,730.62 × 1,856.07
  4. Step 4: Simplify right side
    3,427.98x = 8,780,360.70
  5. Step 5: Solve for x
    x = 8,780,360.70/3,427.98
  6. Step 6: Final answer
    x = 2,561.38

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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.