Home / 4,071.55-5,618.85-2,303.12

Finding the Fourth Proportional to 4,071.55, 5,618.85 and 2,303.12

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Solution

The fourth proportional to 4,071.55, 5,618.85 and 2,303.12 is: 3,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.55 : 5,618.85 = 2,303.12 : x
  2. Step 2: Convert to fraction form
    4,071.55/5,618.85 = 2,303.12/x
  3. Step 3: Cross multiply
    4,071.55x = 5,618.85 × 2,303.12
  4. Step 4: Simplify right side
    4,071.55x = 12,940,885.81
  5. Step 5: Solve for x
    x = 12,940,885.81/4,071.55
  6. Step 6: Final answer
    x = 3,178.37

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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.