Home / 3,317.55-4,976.77-1,125.69

Finding the Fourth Proportional to 3,317.55, 4,976.77 and 1,125.69

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Solution

The fourth proportional to 3,317.55, 4,976.77 and 1,125.69 is: 1,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.55 : 4,976.77 = 1,125.69 : x
  2. Step 2: Convert to fraction form
    3,317.55/4,976.77 = 1,125.69/x
  3. Step 3: Cross multiply
    3,317.55x = 4,976.77 × 1,125.69
  4. Step 4: Simplify right side
    3,317.55x = 5,602,300.22
  5. Step 5: Solve for x
    x = 5,602,300.22/3,317.55
  6. Step 6: Final answer
    x = 1,688.69

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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.