Home / 2,943.86-4,416.34-1,787.18

Finding the Fourth Proportional to 2,943.86, 4,416.34 and 1,787.18

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Solution

The fourth proportional to 2,943.86, 4,416.34 and 1,787.18 is: 2,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.86 : 4,416.34 = 1,787.18 : x
  2. Step 2: Convert to fraction form
    2,943.86/4,416.34 = 1,787.18/x
  3. Step 3: Cross multiply
    2,943.86x = 4,416.34 × 1,787.18
  4. Step 4: Simplify right side
    2,943.86x = 7,892,794.52
  5. Step 5: Solve for x
    x = 7,892,794.52/2,943.86
  6. Step 6: Final answer
    x = 2,681.10

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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.