Home / 1,838.55-2,535.33-1,573.88

Finding the Fourth Proportional to 1,838.55, 2,535.33 and 1,573.88

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Solution

The fourth proportional to 1,838.55, 2,535.33 and 1,573.88 is: 2,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.55 : 2,535.33 = 1,573.88 : x
  2. Step 2: Convert to fraction form
    1,838.55/2,535.33 = 1,573.88/x
  3. Step 3: Cross multiply
    1,838.55x = 2,535.33 × 1,573.88
  4. Step 4: Simplify right side
    1,838.55x = 3,990,292.50
  5. Step 5: Solve for x
    x = 3,990,292.50/1,838.55
  6. Step 6: Final answer
    x = 2,170.35

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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.