Home / 3,157.61-4,357.51-1,832.09

Finding the Fourth Proportional to 3,157.61, 4,357.51 and 1,832.09

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Solution

The fourth proportional to 3,157.61, 4,357.51 and 1,832.09 is: 2,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.61 : 4,357.51 = 1,832.09 : x
  2. Step 2: Convert to fraction form
    3,157.61/4,357.51 = 1,832.09/x
  3. Step 3: Cross multiply
    3,157.61x = 4,357.51 × 1,832.09
  4. Step 4: Simplify right side
    3,157.61x = 7,983,356.81
  5. Step 5: Solve for x
    x = 7,983,356.81/3,157.61
  6. Step 6: Final answer
    x = 2,528.29

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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.