Home / 2,801.36-4,202.68-1,570

Finding the Fourth Proportional to 2,801.36, 4,202.68 and 1,570

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Solution

The fourth proportional to 2,801.36, 4,202.68 and 1,570 is: 2,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.36 : 4,202.68 = 1,570 : x
  2. Step 2: Convert to fraction form
    2,801.36/4,202.68 = 1,570/x
  3. Step 3: Cross multiply
    2,801.36x = 4,202.68 × 1,570
  4. Step 4: Simplify right side
    2,801.36x = 6,598,207.60
  5. Step 5: Solve for x
    x = 6,598,207.60/2,801.36
  6. Step 6: Final answer
    x = 2,355.36

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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.