Home / 3,495.37-5,243.42-1,275.57

Finding the Fourth Proportional to 3,495.37, 5,243.42 and 1,275.57

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Solution

The fourth proportional to 3,495.37, 5,243.42 and 1,275.57 is: 1,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.37 : 5,243.42 = 1,275.57 : x
  2. Step 2: Convert to fraction form
    3,495.37/5,243.42 = 1,275.57/x
  3. Step 3: Cross multiply
    3,495.37x = 5,243.42 × 1,275.57
  4. Step 4: Simplify right side
    3,495.37x = 6,688,349.25
  5. Step 5: Solve for x
    x = 6,688,349.25/3,495.37
  6. Step 6: Final answer
    x = 1,913.49

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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.