Home / 2,097.90-2,895.26-1,258.64

Finding the Fourth Proportional to 2,097.90, 2,895.26 and 1,258.64

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Solution

The fourth proportional to 2,097.90, 2,895.26 and 1,258.64 is: 1,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.90 : 2,895.26 = 1,258.64 : x
  2. Step 2: Convert to fraction form
    2,097.90/2,895.26 = 1,258.64/x
  3. Step 3: Cross multiply
    2,097.90x = 2,895.26 × 1,258.64
  4. Step 4: Simplify right side
    2,097.90x = 3,644,078.72
  5. Step 5: Solve for x
    x = 3,644,078.72/2,097.90
  6. Step 6: Final answer
    x = 1,737.01

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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.