Home / 2,125.24-2,930.18-1,771.67

Finding the Fourth Proportional to 2,125.24, 2,930.18 and 1,771.67

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Solution

The fourth proportional to 2,125.24, 2,930.18 and 1,771.67 is: 2,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.24 : 2,930.18 = 1,771.67 : x
  2. Step 2: Convert to fraction form
    2,125.24/2,930.18 = 1,771.67/x
  3. Step 3: Cross multiply
    2,125.24x = 2,930.18 × 1,771.67
  4. Step 4: Simplify right side
    2,125.24x = 5,191,310.47
  5. Step 5: Solve for x
    x = 5,191,310.47/2,125.24
  6. Step 6: Final answer
    x = 2,442.70

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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.