Home / 2,140.16-3,208.19-1,043.93

Finding the Fourth Proportional to 2,140.16, 3,208.19 and 1,043.93

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Solution

The fourth proportional to 2,140.16, 3,208.19 and 1,043.93 is: 1,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.16 : 3,208.19 = 1,043.93 : x
  2. Step 2: Convert to fraction form
    2,140.16/3,208.19 = 1,043.93/x
  3. Step 3: Cross multiply
    2,140.16x = 3,208.19 × 1,043.93
  4. Step 4: Simplify right side
    2,140.16x = 3,349,125.79
  5. Step 5: Solve for x
    x = 3,349,125.79/2,140.16
  6. Step 6: Final answer
    x = 1,564.90

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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.