Home / 1,258.43-1,887.93-1,237.51

Finding the Fourth Proportional to 1,258.43, 1,887.93 and 1,237.51

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Solution

The fourth proportional to 1,258.43, 1,887.93 and 1,237.51 is: 1,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.43 : 1,887.93 = 1,237.51 : x
  2. Step 2: Convert to fraction form
    1,258.43/1,887.93 = 1,237.51/x
  3. Step 3: Cross multiply
    1,258.43x = 1,887.93 × 1,237.51
  4. Step 4: Simplify right side
    1,258.43x = 2,336,332.18
  5. Step 5: Solve for x
    x = 2,336,332.18/1,258.43
  6. Step 6: Final answer
    x = 1,856.55

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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.