Home / 2,938.32-4,053.60-1,818.96

Finding the Fourth Proportional to 2,938.32, 4,053.60 and 1,818.96

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Solution

The fourth proportional to 2,938.32, 4,053.60 and 1,818.96 is: 2,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.32 : 4,053.60 = 1,818.96 : x
  2. Step 2: Convert to fraction form
    2,938.32/4,053.60 = 1,818.96/x
  3. Step 3: Cross multiply
    2,938.32x = 4,053.60 × 1,818.96
  4. Step 4: Simplify right side
    2,938.32x = 7,373,336.26
  5. Step 5: Solve for x
    x = 7,373,336.26/2,938.32
  6. Step 6: Final answer
    x = 2,509.37

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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.