Home / 1,672.93-2,307.58-1,318.46

Finding the Fourth Proportional to 1,672.93, 2,307.58 and 1,318.46

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Solution

The fourth proportional to 1,672.93, 2,307.58 and 1,318.46 is: 1,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.93 : 2,307.58 = 1,318.46 : x
  2. Step 2: Convert to fraction form
    1,672.93/2,307.58 = 1,318.46/x
  3. Step 3: Cross multiply
    1,672.93x = 2,307.58 × 1,318.46
  4. Step 4: Simplify right side
    1,672.93x = 3,042,445.33
  5. Step 5: Solve for x
    x = 3,042,445.33/1,672.93
  6. Step 6: Final answer
    x = 1,818.64

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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.