Home / 3,779.10-5,669.10-1,587.24

Finding the Fourth Proportional to 3,779.10, 5,669.10 and 1,587.24

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Solution

The fourth proportional to 3,779.10, 5,669.10 and 1,587.24 is: 2,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.10 : 5,669.10 = 1,587.24 : x
  2. Step 2: Convert to fraction form
    3,779.10/5,669.10 = 1,587.24/x
  3. Step 3: Cross multiply
    3,779.10x = 5,669.10 × 1,587.24
  4. Step 4: Simplify right side
    3,779.10x = 8,998,222.28
  5. Step 5: Solve for x
    x = 8,998,222.28/3,779.10
  6. Step 6: Final answer
    x = 2,381.05

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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.