Home / 2,318.75-3,477.08-1,666.75

Finding the Fourth Proportional to 2,318.75, 3,477.08 and 1,666.75

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Solution

The fourth proportional to 2,318.75, 3,477.08 and 1,666.75 is: 2,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.75 : 3,477.08 = 1,666.75 : x
  2. Step 2: Convert to fraction form
    2,318.75/3,477.08 = 1,666.75/x
  3. Step 3: Cross multiply
    2,318.75x = 3,477.08 × 1,666.75
  4. Step 4: Simplify right side
    2,318.75x = 5,795,423.09
  5. Step 5: Solve for x
    x = 5,795,423.09/2,318.75
  6. Step 6: Final answer
    x = 2,499.37

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1.5x scale

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.