Home / 1,569.90-2,348.37-1,427.34

Finding the Fourth Proportional to 1,569.90, 2,348.37 and 1,427.34

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Solution

The fourth proportional to 1,569.90, 2,348.37 and 1,427.34 is: 2,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.90 : 2,348.37 = 1,427.34 : x
  2. Step 2: Convert to fraction form
    1,569.90/2,348.37 = 1,427.34/x
  3. Step 3: Cross multiply
    1,569.90x = 2,348.37 × 1,427.34
  4. Step 4: Simplify right side
    1,569.90x = 3,351,922.44
  5. Step 5: Solve for x
    x = 3,351,922.44/1,569.90
  6. Step 6: Final answer
    x = 2,135.12

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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.