Home / 3,018.51-4,518.99-1,765.26

Finding the Fourth Proportional to 3,018.51, 4,518.99 and 1,765.26

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Solution

The fourth proportional to 3,018.51, 4,518.99 and 1,765.26 is: 2,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.51 : 4,518.99 = 1,765.26 : x
  2. Step 2: Convert to fraction form
    3,018.51/4,518.99 = 1,765.26/x
  3. Step 3: Cross multiply
    3,018.51x = 4,518.99 × 1,765.26
  4. Step 4: Simplify right side
    3,018.51x = 7,977,192.29
  5. Step 5: Solve for x
    x = 7,977,192.29/3,018.51
  6. Step 6: Final answer
    x = 2,642.76

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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.