Home / 3,931.94-5,899.85-1,852.13

Finding the Fourth Proportional to 3,931.94, 5,899.85 and 1,852.13

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Solution

The fourth proportional to 3,931.94, 5,899.85 and 1,852.13 is: 2,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.94 : 5,899.85 = 1,852.13 : x
  2. Step 2: Convert to fraction form
    3,931.94/5,899.85 = 1,852.13/x
  3. Step 3: Cross multiply
    3,931.94x = 5,899.85 × 1,852.13
  4. Step 4: Simplify right side
    3,931.94x = 10,927,289.18
  5. Step 5: Solve for x
    x = 10,927,289.18/3,931.94
  6. Step 6: Final answer
    x = 2,779.11

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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.