Home / 4,209.81-5,807.12-2,635.17

Finding the Fourth Proportional to 4,209.81, 5,807.12 and 2,635.17

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Solution

The fourth proportional to 4,209.81, 5,807.12 and 2,635.17 is: 3,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.81 : 5,807.12 = 2,635.17 : x
  2. Step 2: Convert to fraction form
    4,209.81/5,807.12 = 2,635.17/x
  3. Step 3: Cross multiply
    4,209.81x = 5,807.12 × 2,635.17
  4. Step 4: Simplify right side
    4,209.81x = 15,302,748.41
  5. Step 5: Solve for x
    x = 15,302,748.41/4,209.81
  6. Step 6: Final answer
    x = 3,635.02

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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.