Home / 2,370.48-3,556.26-810.78

Finding the Fourth Proportional to 2,370.48, 3,556.26 and 810.78

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Solution

The fourth proportional to 2,370.48, 3,556.26 and 810.78 is: 1,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.48 : 3,556.26 = 810.78 : x
  2. Step 2: Convert to fraction form
    2,370.48/3,556.26 = 810.78/x
  3. Step 3: Cross multiply
    2,370.48x = 3,556.26 × 810.78
  4. Step 4: Simplify right side
    2,370.48x = 2,883,344.48
  5. Step 5: Solve for x
    x = 2,883,344.48/2,370.48
  6. Step 6: Final answer
    x = 1,216.35

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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.