Home / 3,170.18-4,750.64-1,783.91

Finding the Fourth Proportional to 3,170.18, 4,750.64 and 1,783.91

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Solution

The fourth proportional to 3,170.18, 4,750.64 and 1,783.91 is: 2,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.18 : 4,750.64 = 1,783.91 : x
  2. Step 2: Convert to fraction form
    3,170.18/4,750.64 = 1,783.91/x
  3. Step 3: Cross multiply
    3,170.18x = 4,750.64 × 1,783.91
  4. Step 4: Simplify right side
    3,170.18x = 8,474,681.53
  5. Step 5: Solve for x
    x = 8,474,681.53/3,170.18
  6. Step 6: Final answer
    x = 2,673.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.