Home / 2,899.31-4,003.70-1,853.19

Finding the Fourth Proportional to 2,899.31, 4,003.70 and 1,853.19

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Solution

The fourth proportional to 2,899.31, 4,003.70 and 1,853.19 is: 2,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.31 : 4,003.70 = 1,853.19 : x
  2. Step 2: Convert to fraction form
    2,899.31/4,003.70 = 1,853.19/x
  3. Step 3: Cross multiply
    2,899.31x = 4,003.70 × 1,853.19
  4. Step 4: Simplify right side
    2,899.31x = 7,419,631.45
  5. Step 5: Solve for x
    x = 7,419,631.45/2,899.31
  6. Step 6: Final answer
    x = 2,559.10

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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.