Home / 1,844.91-2,558.60-1,689.21

Finding the Fourth Proportional to 1,844.91, 2,558.60 and 1,689.21

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Solution

The fourth proportional to 1,844.91, 2,558.60 and 1,689.21 is: 2,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.91 : 2,558.60 = 1,689.21 : x
  2. Step 2: Convert to fraction form
    1,844.91/2,558.60 = 1,689.21/x
  3. Step 3: Cross multiply
    1,844.91x = 2,558.60 × 1,689.21
  4. Step 4: Simplify right side
    1,844.91x = 4,322,012.71
  5. Step 5: Solve for x
    x = 4,322,012.71/1,844.91
  6. Step 6: Final answer
    x = 2,342.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.