Home / 2,955.11-4,427.84-1,723.55

Finding the Fourth Proportional to 2,955.11, 4,427.84 and 1,723.55

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Solution

The fourth proportional to 2,955.11, 4,427.84 and 1,723.55 is: 2,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.11 : 4,427.84 = 1,723.55 : x
  2. Step 2: Convert to fraction form
    2,955.11/4,427.84 = 1,723.55/x
  3. Step 3: Cross multiply
    2,955.11x = 4,427.84 × 1,723.55
  4. Step 4: Simplify right side
    2,955.11x = 7,631,572.88
  5. Step 5: Solve for x
    x = 7,631,572.88/2,955.11
  6. Step 6: Final answer
    x = 2,582.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.