Home / 3,135.88-4,703.06-1,055.35

Finding the Fourth Proportional to 3,135.88, 4,703.06 and 1,055.35

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Solution

The fourth proportional to 3,135.88, 4,703.06 and 1,055.35 is: 1,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.88 : 4,703.06 = 1,055.35 : x
  2. Step 2: Convert to fraction form
    3,135.88/4,703.06 = 1,055.35/x
  3. Step 3: Cross multiply
    3,135.88x = 4,703.06 × 1,055.35
  4. Step 4: Simplify right side
    3,135.88x = 4,963,356.43
  5. Step 5: Solve for x
    x = 4,963,356.43/3,135.88
  6. Step 6: Final answer
    x = 1,582.76

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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.