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Finding the Fourth Proportional to 1,716.09, 2,368.18 and 970.07

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Solution

The fourth proportional to 1,716.09, 2,368.18 and 970.07 is: 1,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.09 : 2,368.18 = 970.07 : x
  2. Step 2: Convert to fraction form
    1,716.09/2,368.18 = 970.07/x
  3. Step 3: Cross multiply
    1,716.09x = 2,368.18 × 970.07
  4. Step 4: Simplify right side
    1,716.09x = 2,297,286.11
  5. Step 5: Solve for x
    x = 2,297,286.11/1,716.09
  6. Step 6: Final answer
    x = 1,338.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.