Home / 3,122.64-4,309.14-1,795.44

Finding the Fourth Proportional to 3,122.64, 4,309.14 and 1,795.44

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Solution

The fourth proportional to 3,122.64, 4,309.14 and 1,795.44 is: 2,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.64 : 4,309.14 = 1,795.44 : x
  2. Step 2: Convert to fraction form
    3,122.64/4,309.14 = 1,795.44/x
  3. Step 3: Cross multiply
    3,122.64x = 4,309.14 × 1,795.44
  4. Step 4: Simplify right side
    3,122.64x = 7,736,802.32
  5. Step 5: Solve for x
    x = 7,736,802.32/3,122.64
  6. Step 6: Final answer
    x = 2,477.65

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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.