Home / 1,528.92-2,110.14-1,006.02

Finding the Fourth Proportional to 1,528.92, 2,110.14 and 1,006.02

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Solution

The fourth proportional to 1,528.92, 2,110.14 and 1,006.02 is: 1,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.92 : 2,110.14 = 1,006.02 : x
  2. Step 2: Convert to fraction form
    1,528.92/2,110.14 = 1,006.02/x
  3. Step 3: Cross multiply
    1,528.92x = 2,110.14 × 1,006.02
  4. Step 4: Simplify right side
    1,528.92x = 2,122,843.04
  5. Step 5: Solve for x
    x = 2,122,843.04/1,528.92
  6. Step 6: Final answer
    x = 1,388.46

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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.