Home / 2,830.53-3,905.55-1,711.52

Finding the Fourth Proportional to 2,830.53, 3,905.55 and 1,711.52

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Solution

The fourth proportional to 2,830.53, 3,905.55 and 1,711.52 is: 2,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.53 : 3,905.55 = 1,711.52 : x
  2. Step 2: Convert to fraction form
    2,830.53/3,905.55 = 1,711.52/x
  3. Step 3: Cross multiply
    2,830.53x = 3,905.55 × 1,711.52
  4. Step 4: Simplify right side
    2,830.53x = 6,684,421.45
  5. Step 5: Solve for x
    x = 6,684,421.45/2,830.53
  6. Step 6: Final answer
    x = 2,361.54

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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.