Home / 1,323.65-1,824.52-1,043.43

Finding the Fourth Proportional to 1,323.65, 1,824.52 and 1,043.43

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Solution

The fourth proportional to 1,323.65, 1,824.52 and 1,043.43 is: 1,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.65 : 1,824.52 = 1,043.43 : x
  2. Step 2: Convert to fraction form
    1,323.65/1,824.52 = 1,043.43/x
  3. Step 3: Cross multiply
    1,323.65x = 1,824.52 × 1,043.43
  4. Step 4: Simplify right side
    1,323.65x = 1,903,758.90
  5. Step 5: Solve for x
    x = 1,903,758.90/1,323.65
  6. Step 6: Final answer
    x = 1,438.26

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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.