Home / 2,570.14-3,541.93-1,860.78

Finding the Fourth Proportional to 2,570.14, 3,541.93 and 1,860.78

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Solution

The fourth proportional to 2,570.14, 3,541.93 and 1,860.78 is: 2,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.14 : 3,541.93 = 1,860.78 : x
  2. Step 2: Convert to fraction form
    2,570.14/3,541.93 = 1,860.78/x
  3. Step 3: Cross multiply
    2,570.14x = 3,541.93 × 1,860.78
  4. Step 4: Simplify right side
    2,570.14x = 6,590,747.85
  5. Step 5: Solve for x
    x = 6,590,747.85/2,570.14
  6. Step 6: Final answer
    x = 2,564.36

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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.