Home / 2,395.25-3,590.57-750.65

Finding the Fourth Proportional to 2,395.25, 3,590.57 and 750.65

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Solution

The fourth proportional to 2,395.25, 3,590.57 and 750.65 is: 1,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.25 : 3,590.57 = 750.65 : x
  2. Step 2: Convert to fraction form
    2,395.25/3,590.57 = 750.65/x
  3. Step 3: Cross multiply
    2,395.25x = 3,590.57 × 750.65
  4. Step 4: Simplify right side
    2,395.25x = 2,695,261.37
  5. Step 5: Solve for x
    x = 2,695,261.37/2,395.25
  6. Step 6: Final answer
    x = 1,125.25

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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.