Home / 3,779.60-5,658.75-2,852.21

Finding the Fourth Proportional to 3,779.60, 5,658.75 and 2,852.21

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Solution

The fourth proportional to 3,779.60, 5,658.75 and 2,852.21 is: 4,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.60 : 5,658.75 = 2,852.21 : x
  2. Step 2: Convert to fraction form
    3,779.60/5,658.75 = 2,852.21/x
  3. Step 3: Cross multiply
    3,779.60x = 5,658.75 × 2,852.21
  4. Step 4: Simplify right side
    3,779.60x = 16,139,943.34
  5. Step 5: Solve for x
    x = 16,139,943.34/3,779.60
  6. Step 6: Final answer
    x = 4,270.28

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1.5x scale

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.