Home / 3,904.02-5,387.68-2,411.90

Finding the Fourth Proportional to 3,904.02, 5,387.68 and 2,411.90

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Solution

The fourth proportional to 3,904.02, 5,387.68 and 2,411.90 is: 3,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.02 : 5,387.68 = 2,411.90 : x
  2. Step 2: Convert to fraction form
    3,904.02/5,387.68 = 2,411.90/x
  3. Step 3: Cross multiply
    3,904.02x = 5,387.68 × 2,411.90
  4. Step 4: Simplify right side
    3,904.02x = 12,994,545.39
  5. Step 5: Solve for x
    x = 12,994,545.39/3,904.02
  6. Step 6: Final answer
    x = 3,328.50

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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.