Home / 1,858.40-2,563.62-1,508.48

Finding the Fourth Proportional to 1,858.40, 2,563.62 and 1,508.48

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Solution

The fourth proportional to 1,858.40, 2,563.62 and 1,508.48 is: 2,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.40 : 2,563.62 = 1,508.48 : x
  2. Step 2: Convert to fraction form
    1,858.40/2,563.62 = 1,508.48/x
  3. Step 3: Cross multiply
    1,858.40x = 2,563.62 × 1,508.48
  4. Step 4: Simplify right side
    1,858.40x = 3,867,169.50
  5. Step 5: Solve for x
    x = 3,867,169.50/1,858.40
  6. Step 6: Final answer
    x = 2,080.91

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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.