Home / 3,985.63-5,977.98-1,064.16

Finding the Fourth Proportional to 3,985.63, 5,977.98 and 1,064.16

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Solution

The fourth proportional to 3,985.63, 5,977.98 and 1,064.16 is: 1,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.63 : 5,977.98 = 1,064.16 : x
  2. Step 2: Convert to fraction form
    3,985.63/5,977.98 = 1,064.16/x
  3. Step 3: Cross multiply
    3,985.63x = 5,977.98 × 1,064.16
  4. Step 4: Simplify right side
    3,985.63x = 6,361,527.20
  5. Step 5: Solve for x
    x = 6,361,527.20/3,985.63
  6. Step 6: Final answer
    x = 1,596.12

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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.