Home / 3,885.12-5,826.06-1,575

Finding the Fourth Proportional to 3,885.12, 5,826.06 and 1,575

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Solution

The fourth proportional to 3,885.12, 5,826.06 and 1,575 is: 2,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.12 : 5,826.06 = 1,575 : x
  2. Step 2: Convert to fraction form
    3,885.12/5,826.06 = 1,575/x
  3. Step 3: Cross multiply
    3,885.12x = 5,826.06 × 1,575
  4. Step 4: Simplify right side
    3,885.12x = 9,176,044.50
  5. Step 5: Solve for x
    x = 9,176,044.50/3,885.12
  6. Step 6: Final answer
    x = 2,361.84

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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.