Home / 3,607.09-4,976.40-2,114.47

Finding the Fourth Proportional to 3,607.09, 4,976.40 and 2,114.47

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Solution

The fourth proportional to 3,607.09, 4,976.40 and 2,114.47 is: 2,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.09 : 4,976.40 = 2,114.47 : x
  2. Step 2: Convert to fraction form
    3,607.09/4,976.40 = 2,114.47/x
  3. Step 3: Cross multiply
    3,607.09x = 4,976.40 × 2,114.47
  4. Step 4: Simplify right side
    3,607.09x = 10,522,448.51
  5. Step 5: Solve for x
    x = 10,522,448.51/3,607.09
  6. Step 6: Final answer
    x = 2,917.16

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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.