Home / 2,359.44-3,256.52-1,428.08

Finding the Fourth Proportional to 2,359.44, 3,256.52 and 1,428.08

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Solution

The fourth proportional to 2,359.44, 3,256.52 and 1,428.08 is: 1,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.44 : 3,256.52 = 1,428.08 : x
  2. Step 2: Convert to fraction form
    2,359.44/3,256.52 = 1,428.08/x
  3. Step 3: Cross multiply
    2,359.44x = 3,256.52 × 1,428.08
  4. Step 4: Simplify right side
    2,359.44x = 4,650,571.08
  5. Step 5: Solve for x
    x = 4,650,571.08/2,359.44
  6. Step 6: Final answer
    x = 1,971.05

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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.