Home / 2,929.85-4,043.21-1,810.53

Finding the Fourth Proportional to 2,929.85, 4,043.21 and 1,810.53

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Solution

The fourth proportional to 2,929.85, 4,043.21 and 1,810.53 is: 2,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.85 : 4,043.21 = 1,810.53 : x
  2. Step 2: Convert to fraction form
    2,929.85/4,043.21 = 1,810.53/x
  3. Step 3: Cross multiply
    2,929.85x = 4,043.21 × 1,810.53
  4. Step 4: Simplify right side
    2,929.85x = 7,320,353.00
  5. Step 5: Solve for x
    x = 7,320,353.00/2,929.85
  6. Step 6: Final answer
    x = 2,498.54

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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.