Home / 4,189.95-5,783.40-2,422.71

Finding the Fourth Proportional to 4,189.95, 5,783.40 and 2,422.71

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Solution

The fourth proportional to 4,189.95, 5,783.40 and 2,422.71 is: 3,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.95 : 5,783.40 = 2,422.71 : x
  2. Step 2: Convert to fraction form
    4,189.95/5,783.40 = 2,422.71/x
  3. Step 3: Cross multiply
    4,189.95x = 5,783.40 × 2,422.71
  4. Step 4: Simplify right side
    4,189.95x = 14,011,501.01
  5. Step 5: Solve for x
    x = 14,011,501.01/4,189.95
  6. Step 6: Final answer
    x = 3,344.07

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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.