Home / 1,803.15-2,489.52-1,679.10

Finding the Fourth Proportional to 1,803.15, 2,489.52 and 1,679.10

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Solution

The fourth proportional to 1,803.15, 2,489.52 and 1,679.10 is: 2,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.15 : 2,489.52 = 1,679.10 : x
  2. Step 2: Convert to fraction form
    1,803.15/2,489.52 = 1,679.10/x
  3. Step 3: Cross multiply
    1,803.15x = 2,489.52 × 1,679.10
  4. Step 4: Simplify right side
    1,803.15x = 4,180,153.03
  5. Step 5: Solve for x
    x = 4,180,153.03/1,803.15
  6. Step 6: Final answer
    x = 2,318.25

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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.