Home / 1,631.68-2,427.89-1,626.22

Finding the Fourth Proportional to 1,631.68, 2,427.89 and 1,626.22

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Solution

The fourth proportional to 1,631.68, 2,427.89 and 1,626.22 is: 2,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.68 : 2,427.89 = 1,626.22 : x
  2. Step 2: Convert to fraction form
    1,631.68/2,427.89 = 1,626.22/x
  3. Step 3: Cross multiply
    1,631.68x = 2,427.89 × 1,626.22
  4. Step 4: Simplify right side
    1,631.68x = 3,948,283.28
  5. Step 5: Solve for x
    x = 3,948,283.28/1,631.68
  6. Step 6: Final answer
    x = 2,419.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.