Home / 2,856.39-3,941.80-1,597.45

Finding the Fourth Proportional to 2,856.39, 3,941.80 and 1,597.45

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Solution

The fourth proportional to 2,856.39, 3,941.80 and 1,597.45 is: 2,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.39 : 3,941.80 = 1,597.45 : x
  2. Step 2: Convert to fraction form
    2,856.39/3,941.80 = 1,597.45/x
  3. Step 3: Cross multiply
    2,856.39x = 3,941.80 × 1,597.45
  4. Step 4: Simplify right side
    2,856.39x = 6,296,828.41
  5. Step 5: Solve for x
    x = 6,296,828.41/2,856.39
  6. Step 6: Final answer
    x = 2,204.47

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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.