Home / 3,225.10-4,838.02-916.60

Finding the Fourth Proportional to 3,225.10, 4,838.02 and 916.60

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Solution

The fourth proportional to 3,225.10, 4,838.02 and 916.60 is: 1,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.10 : 4,838.02 = 916.60 : x
  2. Step 2: Convert to fraction form
    3,225.10/4,838.02 = 916.60/x
  3. Step 3: Cross multiply
    3,225.10x = 4,838.02 × 916.60
  4. Step 4: Simplify right side
    3,225.10x = 4,434,529.13
  5. Step 5: Solve for x
    x = 4,434,529.13/3,225.10
  6. Step 6: Final answer
    x = 1,375.01

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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.