Home / 3,165.18-4,750.29-1,779.90

Finding the Fourth Proportional to 3,165.18, 4,750.29 and 1,779.90

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Solution

The fourth proportional to 3,165.18, 4,750.29 and 1,779.90 is: 2,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.18 : 4,750.29 = 1,779.90 : x
  2. Step 2: Convert to fraction form
    3,165.18/4,750.29 = 1,779.90/x
  3. Step 3: Cross multiply
    3,165.18x = 4,750.29 × 1,779.90
  4. Step 4: Simplify right side
    3,165.18x = 8,455,041.17
  5. Step 5: Solve for x
    x = 8,455,041.17/3,165.18
  6. Step 6: Final answer
    x = 2,671.27

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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.