Home / 3,159.50-4,356.72-2,214.99

Finding the Fourth Proportional to 3,159.50, 4,356.72 and 2,214.99

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Solution

The fourth proportional to 3,159.50, 4,356.72 and 2,214.99 is: 3,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.50 : 4,356.72 = 2,214.99 : x
  2. Step 2: Convert to fraction form
    3,159.50/4,356.72 = 2,214.99/x
  3. Step 3: Cross multiply
    3,159.50x = 4,356.72 × 2,214.99
  4. Step 4: Simplify right side
    3,159.50x = 9,650,091.23
  5. Step 5: Solve for x
    x = 9,650,091.23/3,159.50
  6. Step 6: Final answer
    x = 3,054.31

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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.