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Finding the Fourth Proportional to 2,903.00, 4,006.08 and 1,576.70

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Solution

The fourth proportional to 2,903.00, 4,006.08 and 1,576.70 is: 2,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.00 : 4,006.08 = 1,576.70 : x
  2. Step 2: Convert to fraction form
    2,903.00/4,006.08 = 1,576.70/x
  3. Step 3: Cross multiply
    2,903.00x = 4,006.08 × 1,576.70
  4. Step 4: Simplify right side
    2,903.00x = 6,316,366.31
  5. Step 5: Solve for x
    x = 6,316,366.31/2,903.00
  6. Step 6: Final answer
    x = 2,175.80

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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.