Home / 2,098.78-2,895.51-1,352.68

Finding the Fourth Proportional to 2,098.78, 2,895.51 and 1,352.68

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Solution

The fourth proportional to 2,098.78, 2,895.51 and 1,352.68 is: 1,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.78 : 2,895.51 = 1,352.68 : x
  2. Step 2: Convert to fraction form
    2,098.78/2,895.51 = 1,352.68/x
  3. Step 3: Cross multiply
    2,098.78x = 2,895.51 × 1,352.68
  4. Step 4: Simplify right side
    2,098.78x = 3,916,698.47
  5. Step 5: Solve for x
    x = 3,916,698.47/2,098.78
  6. Step 6: Final answer
    x = 1,866.18

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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.