Home / 3,613.37-5,420.05-1,304.87

Finding the Fourth Proportional to 3,613.37, 5,420.05 and 1,304.87

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Solution

The fourth proportional to 3,613.37, 5,420.05 and 1,304.87 is: 1,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.37 : 5,420.05 = 1,304.87 : x
  2. Step 2: Convert to fraction form
    3,613.37/5,420.05 = 1,304.87/x
  3. Step 3: Cross multiply
    3,613.37x = 5,420.05 × 1,304.87
  4. Step 4: Simplify right side
    3,613.37x = 7,072,430.28
  5. Step 5: Solve for x
    x = 7,072,430.28/3,613.37
  6. Step 6: Final answer
    x = 1,957.30

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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.