Home / 2,466.72-3,402-1,913.76

Finding the Fourth Proportional to 2,466.72, 3,402 and 1,913.76

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Solution

The fourth proportional to 2,466.72, 3,402 and 1,913.76 is: 2,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,466.72 : 3,402 = 1,913.76 : x
  2. Step 2: Convert to fraction form
    2,466.72/3,402 = 1,913.76/x
  3. Step 3: Cross multiply
    2,466.72x = 3,402 × 1,913.76
  4. Step 4: Simplify right side
    2,466.72x = 6,510,611.52
  5. Step 5: Solve for x
    x = 6,510,611.52/2,466.72
  6. Step 6: Final answer
    x = 2,639.38

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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.