Home / 1,615.09-2,228.97-1,301.62

Finding the Fourth Proportional to 1,615.09, 2,228.97 and 1,301.62

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Solution

The fourth proportional to 1,615.09, 2,228.97 and 1,301.62 is: 1,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.09 : 2,228.97 = 1,301.62 : x
  2. Step 2: Convert to fraction form
    1,615.09/2,228.97 = 1,301.62/x
  3. Step 3: Cross multiply
    1,615.09x = 2,228.97 × 1,301.62
  4. Step 4: Simplify right side
    1,615.09x = 2,901,271.93
  5. Step 5: Solve for x
    x = 2,901,271.93/1,615.09
  6. Step 6: Final answer
    x = 1,796.35

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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.