Home / 2,764.53-3,815.02-1,505.58

Finding the Fourth Proportional to 2,764.53, 3,815.02 and 1,505.58

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Solution

The fourth proportional to 2,764.53, 3,815.02 and 1,505.58 is: 2,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.53 : 3,815.02 = 1,505.58 : x
  2. Step 2: Convert to fraction form
    2,764.53/3,815.02 = 1,505.58/x
  3. Step 3: Cross multiply
    2,764.53x = 3,815.02 × 1,505.58
  4. Step 4: Simplify right side
    2,764.53x = 5,743,817.81
  5. Step 5: Solve for x
    x = 5,743,817.81/2,764.53
  6. Step 6: Final answer
    x = 2,077.68

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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.