Home / 1,715.14-2,376.85-1,682.32

Finding the Fourth Proportional to 1,715.14, 2,376.85 and 1,682.32

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Solution

The fourth proportional to 1,715.14, 2,376.85 and 1,682.32 is: 2,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.14 : 2,376.85 = 1,682.32 : x
  2. Step 2: Convert to fraction form
    1,715.14/2,376.85 = 1,682.32/x
  3. Step 3: Cross multiply
    1,715.14x = 2,376.85 × 1,682.32
  4. Step 4: Simplify right side
    1,715.14x = 3,998,622.29
  5. Step 5: Solve for x
    x = 3,998,622.29/1,715.14
  6. Step 6: Final answer
    x = 2,331.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.