Home / 3,142.10-4,709.18-1,840.34

Finding the Fourth Proportional to 3,142.10, 4,709.18 and 1,840.34

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Solution

The fourth proportional to 3,142.10, 4,709.18 and 1,840.34 is: 2,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.10 : 4,709.18 = 1,840.34 : x
  2. Step 2: Convert to fraction form
    3,142.10/4,709.18 = 1,840.34/x
  3. Step 3: Cross multiply
    3,142.10x = 4,709.18 × 1,840.34
  4. Step 4: Simplify right side
    3,142.10x = 8,666,492.32
  5. Step 5: Solve for x
    x = 8,666,492.32/3,142.10
  6. Step 6: Final answer
    x = 2,758.18

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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.