Home / 3,318.01-4,980.08-1,675.70

Finding the Fourth Proportional to 3,318.01, 4,980.08 and 1,675.70

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Solution

The fourth proportional to 3,318.01, 4,980.08 and 1,675.70 is: 2,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.01 : 4,980.08 = 1,675.70 : x
  2. Step 2: Convert to fraction form
    3,318.01/4,980.08 = 1,675.70/x
  3. Step 3: Cross multiply
    3,318.01x = 4,980.08 × 1,675.70
  4. Step 4: Simplify right side
    3,318.01x = 8,345,136.70
  5. Step 5: Solve for x
    x = 8,345,136.70/3,318.01
  6. Step 6: Final answer
    x = 2,515.10

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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.