Home / 2,485.87-3,429.21-1,541.36

Finding the Fourth Proportional to 2,485.87, 3,429.21 and 1,541.36

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Solution

The fourth proportional to 2,485.87, 3,429.21 and 1,541.36 is: 2,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.87 : 3,429.21 = 1,541.36 : x
  2. Step 2: Convert to fraction form
    2,485.87/3,429.21 = 1,541.36/x
  3. Step 3: Cross multiply
    2,485.87x = 3,429.21 × 1,541.36
  4. Step 4: Simplify right side
    2,485.87x = 5,285,652.81
  5. Step 5: Solve for x
    x = 5,285,652.81/2,485.87
  6. Step 6: Final answer
    x = 2,126.28

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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.