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Finding the Fourth Proportional to 2,893.57, 4,340.36 and 1,045.99

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Solution

The fourth proportional to 2,893.57, 4,340.36 and 1,045.99 is: 1,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.57 : 4,340.36 = 1,045.99 : x
  2. Step 2: Convert to fraction form
    2,893.57/4,340.36 = 1,045.99/x
  3. Step 3: Cross multiply
    2,893.57x = 4,340.36 × 1,045.99
  4. Step 4: Simplify right side
    2,893.57x = 4,539,946.22
  5. Step 5: Solve for x
    x = 4,539,946.22/2,893.57
  6. Step 6: Final answer
    x = 1,568.98

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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.