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Finding the Fourth Proportional to 3,085.84, 4,627.27 and 893.98

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Solution

The fourth proportional to 3,085.84, 4,627.27 and 893.98 is: 1,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.84 : 4,627.27 = 893.98 : x
  2. Step 2: Convert to fraction form
    3,085.84/4,627.27 = 893.98/x
  3. Step 3: Cross multiply
    3,085.84x = 4,627.27 × 893.98
  4. Step 4: Simplify right side
    3,085.84x = 4,136,686.83
  5. Step 5: Solve for x
    x = 4,136,686.83/3,085.84
  6. Step 6: Final answer
    x = 1,340.54

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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.