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Finding the Fourth Proportional to 3,312.54, 4,570.02 and 1,895.94

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Solution

The fourth proportional to 3,312.54, 4,570.02 and 1,895.94 is: 2,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.54 : 4,570.02 = 1,895.94 : x
  2. Step 2: Convert to fraction form
    3,312.54/4,570.02 = 1,895.94/x
  3. Step 3: Cross multiply
    3,312.54x = 4,570.02 × 1,895.94
  4. Step 4: Simplify right side
    3,312.54x = 8,664,483.72
  5. Step 5: Solve for x
    x = 8,664,483.72/3,312.54
  6. Step 6: Final answer
    x = 2,615.66

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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.