Home / 4,156.24-6,232.80-1,690.40

Finding the Fourth Proportional to 4,156.24, 6,232.80 and 1,690.40

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Solution

The fourth proportional to 4,156.24, 6,232.80 and 1,690.40 is: 2,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.24 : 6,232.80 = 1,690.40 : x
  2. Step 2: Convert to fraction form
    4,156.24/6,232.80 = 1,690.40/x
  3. Step 3: Cross multiply
    4,156.24x = 6,232.80 × 1,690.40
  4. Step 4: Simplify right side
    4,156.24x = 10,535,925.12
  5. Step 5: Solve for x
    x = 10,535,925.12/4,156.24
  6. Step 6: Final answer
    x = 2,534.97

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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.