Home / 1,258.43-1,877.36-1,224.50

Finding the Fourth Proportional to 1,258.43, 1,877.36 and 1,224.50

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Solution

The fourth proportional to 1,258.43, 1,877.36 and 1,224.50 is: 1,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.43 : 1,877.36 = 1,224.50 : x
  2. Step 2: Convert to fraction form
    1,258.43/1,877.36 = 1,224.50/x
  3. Step 3: Cross multiply
    1,258.43x = 1,877.36 × 1,224.50
  4. Step 4: Simplify right side
    1,258.43x = 2,298,811.81
  5. Step 5: Solve for x
    x = 2,298,811.81/1,258.43
  6. Step 6: Final answer
    x = 1,826.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.