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Finding the Fourth Proportional to 1,808.37, 2,497.37 and 1,558.29

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Solution

The fourth proportional to 1,808.37, 2,497.37 and 1,558.29 is: 2,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.37 : 2,497.37 = 1,558.29 : x
  2. Step 2: Convert to fraction form
    1,808.37/2,497.37 = 1,558.29/x
  3. Step 3: Cross multiply
    1,808.37x = 2,497.37 × 1,558.29
  4. Step 4: Simplify right side
    1,808.37x = 3,891,626.70
  5. Step 5: Solve for x
    x = 3,891,626.70/1,808.37
  6. Step 6: Final answer
    x = 2,152.01

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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.