Home / 3,537.11-5,307.02-1,317.30

Finding the Fourth Proportional to 3,537.11, 5,307.02 and 1,317.30

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Solution

The fourth proportional to 3,537.11, 5,307.02 and 1,317.30 is: 1,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.11 : 5,307.02 = 1,317.30 : x
  2. Step 2: Convert to fraction form
    3,537.11/5,307.02 = 1,317.30/x
  3. Step 3: Cross multiply
    3,537.11x = 5,307.02 × 1,317.30
  4. Step 4: Simplify right side
    3,537.11x = 6,990,930.86
  5. Step 5: Solve for x
    x = 6,990,930.86/3,537.11
  6. Step 6: Final answer
    x = 1,976.46

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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.