Home / 3,607.74-5,403.71-2,143.67

Finding the Fourth Proportional to 3,607.74, 5,403.71 and 2,143.67

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Solution

The fourth proportional to 3,607.74, 5,403.71 and 2,143.67 is: 3,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.74 : 5,403.71 = 2,143.67 : x
  2. Step 2: Convert to fraction form
    3,607.74/5,403.71 = 2,143.67/x
  3. Step 3: Cross multiply
    3,607.74x = 5,403.71 × 2,143.67
  4. Step 4: Simplify right side
    3,607.74x = 11,583,749.36
  5. Step 5: Solve for x
    x = 11,583,749.36/3,607.74
  6. Step 6: Final answer
    x = 3,210.80

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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.