Home / 2,370.82-3,556.21-810.07

Finding the Fourth Proportional to 2,370.82, 3,556.21 and 810.07

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Solution

The fourth proportional to 2,370.82, 3,556.21 and 810.07 is: 1,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.82 : 3,556.21 = 810.07 : x
  2. Step 2: Convert to fraction form
    2,370.82/3,556.21 = 810.07/x
  3. Step 3: Cross multiply
    2,370.82x = 3,556.21 × 810.07
  4. Step 4: Simplify right side
    2,370.82x = 2,880,779.03
  5. Step 5: Solve for x
    x = 2,880,779.03/2,370.82
  6. Step 6: Final answer
    x = 1,215.10

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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.