Home / 1,258.33-1,730.34-1,092.26

Finding the Fourth Proportional to 1,258.33, 1,730.34 and 1,092.26

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Solution

The fourth proportional to 1,258.33, 1,730.34 and 1,092.26 is: 1,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.33 : 1,730.34 = 1,092.26 : x
  2. Step 2: Convert to fraction form
    1,258.33/1,730.34 = 1,092.26/x
  3. Step 3: Cross multiply
    1,258.33x = 1,730.34 × 1,092.26
  4. Step 4: Simplify right side
    1,258.33x = 1,889,967.06
  5. Step 5: Solve for x
    x = 1,889,967.06/1,258.33
  6. Step 6: Final answer
    x = 1,501.96

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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.