Home / 2,325.61-3,209.37-1,277.67

Finding the Fourth Proportional to 2,325.61, 3,209.37 and 1,277.67

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Solution

The fourth proportional to 2,325.61, 3,209.37 and 1,277.67 is: 1,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.61 : 3,209.37 = 1,277.67 : x
  2. Step 2: Convert to fraction form
    2,325.61/3,209.37 = 1,277.67/x
  3. Step 3: Cross multiply
    2,325.61x = 3,209.37 × 1,277.67
  4. Step 4: Simplify right side
    2,325.61x = 4,100,515.77
  5. Step 5: Solve for x
    x = 4,100,515.77/2,325.61
  6. Step 6: Final answer
    x = 1,763.20

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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.