Home / 1,615.36-2,228.88-1,026.04

Finding the Fourth Proportional to 1,615.36, 2,228.88 and 1,026.04

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Solution

The fourth proportional to 1,615.36, 2,228.88 and 1,026.04 is: 1,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.36 : 2,228.88 = 1,026.04 : x
  2. Step 2: Convert to fraction form
    1,615.36/2,228.88 = 1,026.04/x
  3. Step 3: Cross multiply
    1,615.36x = 2,228.88 × 1,026.04
  4. Step 4: Simplify right side
    1,615.36x = 2,286,920.04
  5. Step 5: Solve for x
    x = 2,286,920.04/1,615.36
  6. Step 6: Final answer
    x = 1,415.73

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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.