Home / 2,779.47-4,168.16-1,135.14

Finding the Fourth Proportional to 2,779.47, 4,168.16 and 1,135.14

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Solution

The fourth proportional to 2,779.47, 4,168.16 and 1,135.14 is: 1,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.47 : 4,168.16 = 1,135.14 : x
  2. Step 2: Convert to fraction form
    2,779.47/4,168.16 = 1,135.14/x
  3. Step 3: Cross multiply
    2,779.47x = 4,168.16 × 1,135.14
  4. Step 4: Simplify right side
    2,779.47x = 4,731,447.98
  5. Step 5: Solve for x
    x = 4,731,447.98/2,779.47
  6. Step 6: Final answer
    x = 1,702.28

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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.