Home / 2,761.89-3,810.56-1,582.53

Finding the Fourth Proportional to 2,761.89, 3,810.56 and 1,582.53

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Solution

The fourth proportional to 2,761.89, 3,810.56 and 1,582.53 is: 2,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.89 : 3,810.56 = 1,582.53 : x
  2. Step 2: Convert to fraction form
    2,761.89/3,810.56 = 1,582.53/x
  3. Step 3: Cross multiply
    2,761.89x = 3,810.56 × 1,582.53
  4. Step 4: Simplify right side
    2,761.89x = 6,030,317.60
  5. Step 5: Solve for x
    x = 6,030,317.60/2,761.89
  6. Step 6: Final answer
    x = 2,183.40

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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.