Home / 2,140.60-2,950.26-1,765.36

Finding the Fourth Proportional to 2,140.60, 2,950.26 and 1,765.36

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Solution

The fourth proportional to 2,140.60, 2,950.26 and 1,765.36 is: 2,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.60 : 2,950.26 = 1,765.36 : x
  2. Step 2: Convert to fraction form
    2,140.60/2,950.26 = 1,765.36/x
  3. Step 3: Cross multiply
    2,140.60x = 2,950.26 × 1,765.36
  4. Step 4: Simplify right side
    2,140.60x = 5,208,270.99
  5. Step 5: Solve for x
    x = 5,208,270.99/2,140.60
  6. Step 6: Final answer
    x = 2,433.09

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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.