Home / 3,857.10-5,779.50-2,293.40

Finding the Fourth Proportional to 3,857.10, 5,779.50 and 2,293.40

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Solution

The fourth proportional to 3,857.10, 5,779.50 and 2,293.40 is: 3,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.10 : 5,779.50 = 2,293.40 : x
  2. Step 2: Convert to fraction form
    3,857.10/5,779.50 = 2,293.40/x
  3. Step 3: Cross multiply
    3,857.10x = 5,779.50 × 2,293.40
  4. Step 4: Simplify right side
    3,857.10x = 13,254,676.40
  5. Step 5: Solve for x
    x = 13,254,676.40/3,857.10
  6. Step 6: Final answer
    x = 3,436.44

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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.