Home / 3,135.36-4,317.76-3,070.08

Finding the Fourth Proportional to 3,135.36, 4,317.76 and 3,070.08

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Solution

The fourth proportional to 3,135.36, 4,317.76 and 3,070.08 is: 4,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.36 : 4,317.76 = 3,070.08 : x
  2. Step 2: Convert to fraction form
    3,135.36/4,317.76 = 3,070.08/x
  3. Step 3: Cross multiply
    3,135.36x = 4,317.76 × 3,070.08
  4. Step 4: Simplify right side
    3,135.36x = 13,255,868.62
  5. Step 5: Solve for x
    x = 13,255,868.62/3,135.36
  6. Step 6: Final answer
    x = 4,227.86

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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.