Home / 2,314.37-3,192.93-1,428.63

Finding the Fourth Proportional to 2,314.37, 3,192.93 and 1,428.63

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Solution

The fourth proportional to 2,314.37, 3,192.93 and 1,428.63 is: 1,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.37 : 3,192.93 = 1,428.63 : x
  2. Step 2: Convert to fraction form
    2,314.37/3,192.93 = 1,428.63/x
  3. Step 3: Cross multiply
    2,314.37x = 3,192.93 × 1,428.63
  4. Step 4: Simplify right side
    2,314.37x = 4,561,515.59
  5. Step 5: Solve for x
    x = 4,561,515.59/2,314.37
  6. Step 6: Final answer
    x = 1,970.96

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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.