Home / 1,717.14-2,369.64-971.25

Finding the Fourth Proportional to 1,717.14, 2,369.64 and 971.25

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Solution

The fourth proportional to 1,717.14, 2,369.64 and 971.25 is: 1,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.14 : 2,369.64 = 971.25 : x
  2. Step 2: Convert to fraction form
    1,717.14/2,369.64 = 971.25/x
  3. Step 3: Cross multiply
    1,717.14x = 2,369.64 × 971.25
  4. Step 4: Simplify right side
    1,717.14x = 2,301,503.96
  5. Step 5: Solve for x
    x = 2,301,503.96/1,717.14
  6. Step 6: Final answer
    x = 1,340.31

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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.