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Finding the Fourth Proportional to 3,075.08, 4,612.50 and 883.80

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Solution

The fourth proportional to 3,075.08, 4,612.50 and 883.80 is: 1,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.08 : 4,612.50 = 883.80 : x
  2. Step 2: Convert to fraction form
    3,075.08/4,612.50 = 883.80/x
  3. Step 3: Cross multiply
    3,075.08x = 4,612.50 × 883.80
  4. Step 4: Simplify right side
    3,075.08x = 4,076,527.50
  5. Step 5: Solve for x
    x = 4,076,527.50/3,075.08
  6. Step 6: Final answer
    x = 1,325.67

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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.