Home / 3,587.36-4,950.77-2,015.45

Finding the Fourth Proportional to 3,587.36, 4,950.77 and 2,015.45

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Solution

The fourth proportional to 3,587.36, 4,950.77 and 2,015.45 is: 2,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.36 : 4,950.77 = 2,015.45 : x
  2. Step 2: Convert to fraction form
    3,587.36/4,950.77 = 2,015.45/x
  3. Step 3: Cross multiply
    3,587.36x = 4,950.77 × 2,015.45
  4. Step 4: Simplify right side
    3,587.36x = 9,977,994.57
  5. Step 5: Solve for x
    x = 9,977,994.57/3,587.36
  6. Step 6: Final answer
    x = 2,781.43

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1.5x scale

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.