Home / 1,512.96-2,258.40-1,297.92

Finding the Fourth Proportional to 1,512.96, 2,258.40 and 1,297.92

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Solution

The fourth proportional to 1,512.96, 2,258.40 and 1,297.92 is: 1,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.96 : 2,258.40 = 1,297.92 : x
  2. Step 2: Convert to fraction form
    1,512.96/2,258.40 = 1,297.92/x
  3. Step 3: Cross multiply
    1,512.96x = 2,258.40 × 1,297.92
  4. Step 4: Simplify right side
    1,512.96x = 2,931,222.53
  5. Step 5: Solve for x
    x = 2,931,222.53/1,512.96
  6. Step 6: Final answer
    x = 1,937.41

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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.