Home / 2,528.26-3,788.80-1,903.14

Finding the Fourth Proportional to 2,528.26, 3,788.80 and 1,903.14

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Solution

The fourth proportional to 2,528.26, 3,788.80 and 1,903.14 is: 2,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.26 : 3,788.80 = 1,903.14 : x
  2. Step 2: Convert to fraction form
    2,528.26/3,788.80 = 1,903.14/x
  3. Step 3: Cross multiply
    2,528.26x = 3,788.80 × 1,903.14
  4. Step 4: Simplify right side
    2,528.26x = 7,210,616.83
  5. Step 5: Solve for x
    x = 7,210,616.83/2,528.26
  6. Step 6: Final answer
    x = 2,852.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.