Home / 2,656.85-3,985.77-1,013.25

Finding the Fourth Proportional to 2,656.85, 3,985.77 and 1,013.25

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Solution

The fourth proportional to 2,656.85, 3,985.77 and 1,013.25 is: 1,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.85 : 3,985.77 = 1,013.25 : x
  2. Step 2: Convert to fraction form
    2,656.85/3,985.77 = 1,013.25/x
  3. Step 3: Cross multiply
    2,656.85x = 3,985.77 × 1,013.25
  4. Step 4: Simplify right side
    2,656.85x = 4,038,600.20
  5. Step 5: Solve for x
    x = 4,038,600.20/2,656.85
  6. Step 6: Final answer
    x = 1,520.07

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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.