Home / 2,929.01-4,040.75-1,880.87

Finding the Fourth Proportional to 2,929.01, 4,040.75 and 1,880.87

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Solution

The fourth proportional to 2,929.01, 4,040.75 and 1,880.87 is: 2,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.01 : 4,040.75 = 1,880.87 : x
  2. Step 2: Convert to fraction form
    2,929.01/4,040.75 = 1,880.87/x
  3. Step 3: Cross multiply
    2,929.01x = 4,040.75 × 1,880.87
  4. Step 4: Simplify right side
    2,929.01x = 7,600,109.95
  5. Step 5: Solve for x
    x = 7,600,109.95/2,929.01
  6. Step 6: Final answer
    x = 2,594.78

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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.