Home / 1,955.21-2,694.06-1,615.32

Finding the Fourth Proportional to 1,955.21, 2,694.06 and 1,615.32

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Solution

The fourth proportional to 1,955.21, 2,694.06 and 1,615.32 is: 2,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.21 : 2,694.06 = 1,615.32 : x
  2. Step 2: Convert to fraction form
    1,955.21/2,694.06 = 1,615.32/x
  3. Step 3: Cross multiply
    1,955.21x = 2,694.06 × 1,615.32
  4. Step 4: Simplify right side
    1,955.21x = 4,351,769.00
  5. Step 5: Solve for x
    x = 4,351,769.00/1,955.21
  6. Step 6: Final answer
    x = 2,225.74

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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.