Home / 1,626.60-2,244.50-918.40

Finding the Fourth Proportional to 1,626.60, 2,244.50 and 918.40

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Solution

The fourth proportional to 1,626.60, 2,244.50 and 918.40 is: 1,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.60 : 2,244.50 = 918.40 : x
  2. Step 2: Convert to fraction form
    1,626.60/2,244.50 = 918.40/x
  3. Step 3: Cross multiply
    1,626.60x = 2,244.50 × 918.40
  4. Step 4: Simplify right side
    1,626.60x = 2,061,348.80
  5. Step 5: Solve for x
    x = 2,061,348.80/1,626.60
  6. Step 6: Final answer
    x = 1,267.27

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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.