Home / 2,508.57-3,463.56-1,918.08

Finding the Fourth Proportional to 2,508.57, 3,463.56 and 1,918.08

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Solution

The fourth proportional to 2,508.57, 3,463.56 and 1,918.08 is: 2,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.57 : 3,463.56 = 1,918.08 : x
  2. Step 2: Convert to fraction form
    2,508.57/3,463.56 = 1,918.08/x
  3. Step 3: Cross multiply
    2,508.57x = 3,463.56 × 1,918.08
  4. Step 4: Simplify right side
    2,508.57x = 6,643,385.16
  5. Step 5: Solve for x
    x = 6,643,385.16/2,508.57
  6. Step 6: Final answer
    x = 2,648.28

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1.5x scale

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.