Home / 1,410.88-2,113.68-1,258.36

Finding the Fourth Proportional to 1,410.88, 2,113.68 and 1,258.36

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Solution

The fourth proportional to 1,410.88, 2,113.68 and 1,258.36 is: 1,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.88 : 2,113.68 = 1,258.36 : x
  2. Step 2: Convert to fraction form
    1,410.88/2,113.68 = 1,258.36/x
  3. Step 3: Cross multiply
    1,410.88x = 2,113.68 × 1,258.36
  4. Step 4: Simplify right side
    1,410.88x = 2,659,770.36
  5. Step 5: Solve for x
    x = 2,659,770.36/1,410.88
  6. Step 6: Final answer
    x = 1,885.19

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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.