Home / 2,525.23-3,788.37-770.16

Finding the Fourth Proportional to 2,525.23, 3,788.37 and 770.16

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Solution

The fourth proportional to 2,525.23, 3,788.37 and 770.16 is: 1,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.23 : 3,788.37 = 770.16 : x
  2. Step 2: Convert to fraction form
    2,525.23/3,788.37 = 770.16/x
  3. Step 3: Cross multiply
    2,525.23x = 3,788.37 × 770.16
  4. Step 4: Simplify right side
    2,525.23x = 2,917,643.94
  5. Step 5: Solve for x
    x = 2,917,643.94/2,525.23
  6. Step 6: Final answer
    x = 1,155.40

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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.