Home / 1,948.85-2,918.52-1,025.18

Finding the Fourth Proportional to 1,948.85, 2,918.52 and 1,025.18

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Solution

The fourth proportional to 1,948.85, 2,918.52 and 1,025.18 is: 1,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.85 : 2,918.52 = 1,025.18 : x
  2. Step 2: Convert to fraction form
    1,948.85/2,918.52 = 1,025.18/x
  3. Step 3: Cross multiply
    1,948.85x = 2,918.52 × 1,025.18
  4. Step 4: Simplify right side
    1,948.85x = 2,991,993.74
  5. Step 5: Solve for x
    x = 2,991,993.74/1,948.85
  6. Step 6: Final answer
    x = 1,535.27

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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.