Home / 3,436.29-5,153.36-971.19

Finding the Fourth Proportional to 3,436.29, 5,153.36 and 971.19

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Solution

The fourth proportional to 3,436.29, 5,153.36 and 971.19 is: 1,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.29 : 5,153.36 = 971.19 : x
  2. Step 2: Convert to fraction form
    3,436.29/5,153.36 = 971.19/x
  3. Step 3: Cross multiply
    3,436.29x = 5,153.36 × 971.19
  4. Step 4: Simplify right side
    3,436.29x = 5,004,886.84
  5. Step 5: Solve for x
    x = 5,004,886.84/3,436.29
  6. Step 6: Final answer
    x = 1,456.48

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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.