Home / 1,567.99-2,161.78-1,349.29

Finding the Fourth Proportional to 1,567.99, 2,161.78 and 1,349.29

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Solution

The fourth proportional to 1,567.99, 2,161.78 and 1,349.29 is: 1,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.99 : 2,161.78 = 1,349.29 : x
  2. Step 2: Convert to fraction form
    1,567.99/2,161.78 = 1,349.29/x
  3. Step 3: Cross multiply
    1,567.99x = 2,161.78 × 1,349.29
  4. Step 4: Simplify right side
    1,567.99x = 2,916,868.14
  5. Step 5: Solve for x
    x = 2,916,868.14/1,567.99
  6. Step 6: Final answer
    x = 1,860.26

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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.