Home / 3,516.99-5,276.37-1,325.74

Finding the Fourth Proportional to 3,516.99, 5,276.37 and 1,325.74

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Solution

The fourth proportional to 3,516.99, 5,276.37 and 1,325.74 is: 1,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.99 : 5,276.37 = 1,325.74 : x
  2. Step 2: Convert to fraction form
    3,516.99/5,276.37 = 1,325.74/x
  3. Step 3: Cross multiply
    3,516.99x = 5,276.37 × 1,325.74
  4. Step 4: Simplify right side
    3,516.99x = 6,995,068.38
  5. Step 5: Solve for x
    x = 6,995,068.38/3,516.99
  6. Step 6: Final answer
    x = 1,988.94

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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.