Home / 1,717.46-2,370.07-971.40

Finding the Fourth Proportional to 1,717.46, 2,370.07 and 971.40

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Solution

The fourth proportional to 1,717.46, 2,370.07 and 971.40 is: 1,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.46 : 2,370.07 = 971.40 : x
  2. Step 2: Convert to fraction form
    1,717.46/2,370.07 = 971.40/x
  3. Step 3: Cross multiply
    1,717.46x = 2,370.07 × 971.40
  4. Step 4: Simplify right side
    1,717.46x = 2,302,286.00
  5. Step 5: Solve for x
    x = 2,302,286.00/1,717.46
  6. Step 6: Final answer
    x = 1,340.52

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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.