Home / 3,615.15-5,422.77-1,534.89

Finding the Fourth Proportional to 3,615.15, 5,422.77 and 1,534.89

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Solution

The fourth proportional to 3,615.15, 5,422.77 and 1,534.89 is: 2,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.15 : 5,422.77 = 1,534.89 : x
  2. Step 2: Convert to fraction form
    3,615.15/5,422.77 = 1,534.89/x
  3. Step 3: Cross multiply
    3,615.15x = 5,422.77 × 1,534.89
  4. Step 4: Simplify right side
    3,615.15x = 8,323,355.45
  5. Step 5: Solve for x
    x = 8,323,355.45/3,615.15
  6. Step 6: Final answer
    x = 2,302.35

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1.5x scale

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.