Home / 2,835.90-3,913.44-1,577.01

Finding the Fourth Proportional to 2,835.90, 3,913.44 and 1,577.01

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Solution

The fourth proportional to 2,835.90, 3,913.44 and 1,577.01 is: 2,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.90 : 3,913.44 = 1,577.01 : x
  2. Step 2: Convert to fraction form
    2,835.90/3,913.44 = 1,577.01/x
  3. Step 3: Cross multiply
    2,835.90x = 3,913.44 × 1,577.01
  4. Step 4: Simplify right side
    2,835.90x = 6,171,534.01
  5. Step 5: Solve for x
    x = 6,171,534.01/2,835.90
  6. Step 6: Final answer
    x = 2,176.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.