Home / 1,626.23-2,243.36-1,035.74

Finding the Fourth Proportional to 1,626.23, 2,243.36 and 1,035.74

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Solution

The fourth proportional to 1,626.23, 2,243.36 and 1,035.74 is: 1,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.23 : 2,243.36 = 1,035.74 : x
  2. Step 2: Convert to fraction form
    1,626.23/2,243.36 = 1,035.74/x
  3. Step 3: Cross multiply
    1,626.23x = 2,243.36 × 1,035.74
  4. Step 4: Simplify right side
    1,626.23x = 2,323,532.51
  5. Step 5: Solve for x
    x = 2,323,532.51/1,626.23
  6. Step 6: Final answer
    x = 1,428.78

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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.