Home / 1,626.22-2,244.12-918.10

Finding the Fourth Proportional to 1,626.22, 2,244.12 and 918.10

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Solution

The fourth proportional to 1,626.22, 2,244.12 and 918.10 is: 1,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.22 : 2,244.12 = 918.10 : x
  2. Step 2: Convert to fraction form
    1,626.22/2,244.12 = 918.10/x
  3. Step 3: Cross multiply
    1,626.22x = 2,244.12 × 918.10
  4. Step 4: Simplify right side
    1,626.22x = 2,060,326.57
  5. Step 5: Solve for x
    x = 2,060,326.57/1,626.22
  6. Step 6: Final answer
    x = 1,266.94

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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.