Home / 3,638.06-5,459.80-1,417.24

Finding the Fourth Proportional to 3,638.06, 5,459.80 and 1,417.24

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Solution

The fourth proportional to 3,638.06, 5,459.80 and 1,417.24 is: 2,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.06 : 5,459.80 = 1,417.24 : x
  2. Step 2: Convert to fraction form
    3,638.06/5,459.80 = 1,417.24/x
  3. Step 3: Cross multiply
    3,638.06x = 5,459.80 × 1,417.24
  4. Step 4: Simplify right side
    3,638.06x = 7,737,846.95
  5. Step 5: Solve for x
    x = 7,737,846.95/3,638.06
  6. Step 6: Final answer
    x = 2,126.92

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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.