Home / 3,475.42-5,190.41-2,783.14

Finding the Fourth Proportional to 3,475.42, 5,190.41 and 2,783.14

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Solution

The fourth proportional to 3,475.42, 5,190.41 and 2,783.14 is: 4,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.42 : 5,190.41 = 2,783.14 : x
  2. Step 2: Convert to fraction form
    3,475.42/5,190.41 = 2,783.14/x
  3. Step 3: Cross multiply
    3,475.42x = 5,190.41 × 2,783.14
  4. Step 4: Simplify right side
    3,475.42x = 14,445,637.69
  5. Step 5: Solve for x
    x = 14,445,637.69/3,475.42
  6. Step 6: Final answer
    x = 4,156.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.