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Finding the Fourth Proportional to 3,006.85, 4,510.43 and 928.28

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Solution

The fourth proportional to 3,006.85, 4,510.43 and 928.28 is: 1,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.85 : 4,510.43 = 928.28 : x
  2. Step 2: Convert to fraction form
    3,006.85/4,510.43 = 928.28/x
  3. Step 3: Cross multiply
    3,006.85x = 4,510.43 × 928.28
  4. Step 4: Simplify right side
    3,006.85x = 4,186,941.96
  5. Step 5: Solve for x
    x = 4,186,941.96/3,006.85
  6. Step 6: Final answer
    x = 1,392.47

Related Problems

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Similar ratio
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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.