Home / 3,860.04-5,779.46-2,920.26

Finding the Fourth Proportional to 3,860.04, 5,779.46 and 2,920.26

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Solution

The fourth proportional to 3,860.04, 5,779.46 and 2,920.26 is: 4,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.04 : 5,779.46 = 2,920.26 : x
  2. Step 2: Convert to fraction form
    3,860.04/5,779.46 = 2,920.26/x
  3. Step 3: Cross multiply
    3,860.04x = 5,779.46 × 2,920.26
  4. Step 4: Simplify right side
    3,860.04x = 16,877,525.86
  5. Step 5: Solve for x
    x = 16,877,525.86/3,860.04
  6. Step 6: Final answer
    x = 4,372.37

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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.