Home / 2,893.21-4,339.45-1,248.40

Finding the Fourth Proportional to 2,893.21, 4,339.45 and 1,248.40

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Solution

The fourth proportional to 2,893.21, 4,339.45 and 1,248.40 is: 1,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.21 : 4,339.45 = 1,248.40 : x
  2. Step 2: Convert to fraction form
    2,893.21/4,339.45 = 1,248.40/x
  3. Step 3: Cross multiply
    2,893.21x = 4,339.45 × 1,248.40
  4. Step 4: Simplify right side
    2,893.21x = 5,417,369.38
  5. Step 5: Solve for x
    x = 5,417,369.38/2,893.21
  6. Step 6: Final answer
    x = 1,872.44

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1.5x scale

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.