Home / 3,835.41-5,292.63-2,420.52

Finding the Fourth Proportional to 3,835.41, 5,292.63 and 2,420.52

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Solution

The fourth proportional to 3,835.41, 5,292.63 and 2,420.52 is: 3,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.41 : 5,292.63 = 2,420.52 : x
  2. Step 2: Convert to fraction form
    3,835.41/5,292.63 = 2,420.52/x
  3. Step 3: Cross multiply
    3,835.41x = 5,292.63 × 2,420.52
  4. Step 4: Simplify right side
    3,835.41x = 12,810,916.77
  5. Step 5: Solve for x
    x = 12,810,916.77/3,835.41
  6. Step 6: Final answer
    x = 3,340.17

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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.