Home / 2,315.90-3,471.42-1,623.08

Finding the Fourth Proportional to 2,315.90, 3,471.42 and 1,623.08

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Solution

The fourth proportional to 2,315.90, 3,471.42 and 1,623.08 is: 2,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.90 : 3,471.42 = 1,623.08 : x
  2. Step 2: Convert to fraction form
    2,315.90/3,471.42 = 1,623.08/x
  3. Step 3: Cross multiply
    2,315.90x = 3,471.42 × 1,623.08
  4. Step 4: Simplify right side
    2,315.90x = 5,634,392.37
  5. Step 5: Solve for x
    x = 5,634,392.37/2,315.90
  6. Step 6: Final answer
    x = 2,432.92

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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.