Home / 3,827.48-5,285.63-3,298.55

Finding the Fourth Proportional to 3,827.48, 5,285.63 and 3,298.55

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Solution

The fourth proportional to 3,827.48, 5,285.63 and 3,298.55 is: 4,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.48 : 5,285.63 = 3,298.55 : x
  2. Step 2: Convert to fraction form
    3,827.48/5,285.63 = 3,298.55/x
  3. Step 3: Cross multiply
    3,827.48x = 5,285.63 × 3,298.55
  4. Step 4: Simplify right side
    3,827.48x = 17,434,898.34
  5. Step 5: Solve for x
    x = 17,434,898.34/3,827.48
  6. Step 6: Final answer
    x = 4,555.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.