Home / 2,570.46-3,848.70-1,335.28

Finding the Fourth Proportional to 2,570.46, 3,848.70 and 1,335.28

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Solution

The fourth proportional to 2,570.46, 3,848.70 and 1,335.28 is: 1,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.46 : 3,848.70 = 1,335.28 : x
  2. Step 2: Convert to fraction form
    2,570.46/3,848.70 = 1,335.28/x
  3. Step 3: Cross multiply
    2,570.46x = 3,848.70 × 1,335.28
  4. Step 4: Simplify right side
    2,570.46x = 5,139,092.14
  5. Step 5: Solve for x
    x = 5,139,092.14/2,570.46
  6. Step 6: Final answer
    x = 1,999.29

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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.