Home / 1,567.16-2,351.08-471.62

Finding the Fourth Proportional to 1,567.16, 2,351.08 and 471.62

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Solution

The fourth proportional to 1,567.16, 2,351.08 and 471.62 is: 707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.16 : 2,351.08 = 471.62 : x
  2. Step 2: Convert to fraction form
    1,567.16/2,351.08 = 471.62/x
  3. Step 3: Cross multiply
    1,567.16x = 2,351.08 × 471.62
  4. Step 4: Simplify right side
    1,567.16x = 1,108,816.35
  5. Step 5: Solve for x
    x = 1,108,816.35/1,567.16
  6. Step 6: Final answer
    x = 707.53

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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.