Home / 4,069.11-5,615.43-2,390.55

Finding the Fourth Proportional to 4,069.11, 5,615.43 and 2,390.55

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Solution

The fourth proportional to 4,069.11, 5,615.43 and 2,390.55 is: 3,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.11 : 5,615.43 = 2,390.55 : x
  2. Step 2: Convert to fraction form
    4,069.11/5,615.43 = 2,390.55/x
  3. Step 3: Cross multiply
    4,069.11x = 5,615.43 × 2,390.55
  4. Step 4: Simplify right side
    4,069.11x = 13,423,966.19
  5. Step 5: Solve for x
    x = 13,423,966.19/4,069.11
  6. Step 6: Final answer
    x = 3,298.99

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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.