Home / 3,009.21-4,151.10-1,888.02

Finding the Fourth Proportional to 3,009.21, 4,151.10 and 1,888.02

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Solution

The fourth proportional to 3,009.21, 4,151.10 and 1,888.02 is: 2,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.21 : 4,151.10 = 1,888.02 : x
  2. Step 2: Convert to fraction form
    3,009.21/4,151.10 = 1,888.02/x
  3. Step 3: Cross multiply
    3,009.21x = 4,151.10 × 1,888.02
  4. Step 4: Simplify right side
    3,009.21x = 7,837,359.82
  5. Step 5: Solve for x
    x = 7,837,359.82/3,009.21
  6. Step 6: Final answer
    x = 2,604.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.