Home / 1,471.23-2,206.85-375.60

Finding the Fourth Proportional to 1,471.23, 2,206.85 and 375.60

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Solution

The fourth proportional to 1,471.23, 2,206.85 and 375.60 is: 563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.23 : 2,206.85 = 375.60 : x
  2. Step 2: Convert to fraction form
    1,471.23/2,206.85 = 375.60/x
  3. Step 3: Cross multiply
    1,471.23x = 2,206.85 × 375.60
  4. Step 4: Simplify right side
    1,471.23x = 828,885.93
  5. Step 5: Solve for x
    x = 828,885.93/1,471.23
  6. Step 6: Final answer
    x = 563.40

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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.