Home / 3,610.35-5,415.48-1,417.55

Finding the Fourth Proportional to 3,610.35, 5,415.48 and 1,417.55

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Solution

The fourth proportional to 3,610.35, 5,415.48 and 1,417.55 is: 2,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.35 : 5,415.48 = 1,417.55 : x
  2. Step 2: Convert to fraction form
    3,610.35/5,415.48 = 1,417.55/x
  3. Step 3: Cross multiply
    3,610.35x = 5,415.48 × 1,417.55
  4. Step 4: Simplify right side
    3,610.35x = 7,676,686.60
  5. Step 5: Solve for x
    x = 7,676,686.60/3,610.35
  6. Step 6: Final answer
    x = 2,126.30

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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.