Home / 2,329.51-3,216.36-1,914.79

Finding the Fourth Proportional to 2,329.51, 3,216.36 and 1,914.79

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Solution

The fourth proportional to 2,329.51, 3,216.36 and 1,914.79 is: 2,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.51 : 3,216.36 = 1,914.79 : x
  2. Step 2: Convert to fraction form
    2,329.51/3,216.36 = 1,914.79/x
  3. Step 3: Cross multiply
    2,329.51x = 3,216.36 × 1,914.79
  4. Step 4: Simplify right side
    2,329.51x = 6,158,653.96
  5. Step 5: Solve for x
    x = 6,158,653.96/2,329.51
  6. Step 6: Final answer
    x = 2,643.76

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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.