Home / 2,803.61-4,203.18-1,817.43

Finding the Fourth Proportional to 2,803.61, 4,203.18 and 1,817.43

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Solution

The fourth proportional to 2,803.61, 4,203.18 and 1,817.43 is: 2,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.61 : 4,203.18 = 1,817.43 : x
  2. Step 2: Convert to fraction form
    2,803.61/4,203.18 = 1,817.43/x
  3. Step 3: Cross multiply
    2,803.61x = 4,203.18 × 1,817.43
  4. Step 4: Simplify right side
    2,803.61x = 7,638,985.43
  5. Step 5: Solve for x
    x = 7,638,985.43/2,803.61
  6. Step 6: Final answer
    x = 2,724.70

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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.