Home / 2,983.55-4,117.68-1,804.62

Finding the Fourth Proportional to 2,983.55, 4,117.68 and 1,804.62

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Solution

The fourth proportional to 2,983.55, 4,117.68 and 1,804.62 is: 2,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.55 : 4,117.68 = 1,804.62 : x
  2. Step 2: Convert to fraction form
    2,983.55/4,117.68 = 1,804.62/x
  3. Step 3: Cross multiply
    2,983.55x = 4,117.68 × 1,804.62
  4. Step 4: Simplify right side
    2,983.55x = 7,430,847.68
  5. Step 5: Solve for x
    x = 7,430,847.68/2,983.55
  6. Step 6: Final answer
    x = 2,490.60

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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.