Home / 1,963.32-2,709.35-1,124.23

Finding the Fourth Proportional to 1,963.32, 2,709.35 and 1,124.23

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Solution

The fourth proportional to 1,963.32, 2,709.35 and 1,124.23 is: 1,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.32 : 2,709.35 = 1,124.23 : x
  2. Step 2: Convert to fraction form
    1,963.32/2,709.35 = 1,124.23/x
  3. Step 3: Cross multiply
    1,963.32x = 2,709.35 × 1,124.23
  4. Step 4: Simplify right side
    1,963.32x = 3,045,929.45
  5. Step 5: Solve for x
    x = 3,045,929.45/1,963.32
  6. Step 6: Final answer
    x = 1,551.42

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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.