Home / 2,577.32-3,865.98-1,430.36

Finding the Fourth Proportional to 2,577.32, 3,865.98 and 1,430.36

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Solution

The fourth proportional to 2,577.32, 3,865.98 and 1,430.36 is: 2,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.32 : 3,865.98 = 1,430.36 : x
  2. Step 2: Convert to fraction form
    2,577.32/3,865.98 = 1,430.36/x
  3. Step 3: Cross multiply
    2,577.32x = 3,865.98 × 1,430.36
  4. Step 4: Simplify right side
    2,577.32x = 5,529,743.15
  5. Step 5: Solve for x
    x = 5,529,743.15/2,577.32
  6. Step 6: Final answer
    x = 2,145.54

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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.