Home / 4,285.31-6,426.74-1,944

Finding the Fourth Proportional to 4,285.31, 6,426.74 and 1,944

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Solution

The fourth proportional to 4,285.31, 6,426.74 and 1,944 is: 2,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.31 : 6,426.74 = 1,944 : x
  2. Step 2: Convert to fraction form
    4,285.31/6,426.74 = 1,944/x
  3. Step 3: Cross multiply
    4,285.31x = 6,426.74 × 1,944
  4. Step 4: Simplify right side
    4,285.31x = 12,493,587.42
  5. Step 5: Solve for x
    x = 12,493,587.42/4,285.31
  6. Step 6: Final answer
    x = 2,915.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.