Home / 1,567.30-2,351.70-1,047.55

Finding the Fourth Proportional to 1,567.30, 2,351.70 and 1,047.55

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Solution

The fourth proportional to 1,567.30, 2,351.70 and 1,047.55 is: 1,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.30 : 2,351.70 = 1,047.55 : x
  2. Step 2: Convert to fraction form
    1,567.30/2,351.70 = 1,047.55/x
  3. Step 3: Cross multiply
    1,567.30x = 2,351.70 × 1,047.55
  4. Step 4: Simplify right side
    1,567.30x = 2,463,523.34
  5. Step 5: Solve for x
    x = 2,463,523.34/1,567.30
  6. Step 6: Final answer
    x = 1,571.83

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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.