Home / 2,910.06-4,016.03-1,715.40

Finding the Fourth Proportional to 2,910.06, 4,016.03 and 1,715.40

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Solution

The fourth proportional to 2,910.06, 4,016.03 and 1,715.40 is: 2,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.06 : 4,016.03 = 1,715.40 : x
  2. Step 2: Convert to fraction form
    2,910.06/4,016.03 = 1,715.40/x
  3. Step 3: Cross multiply
    2,910.06x = 4,016.03 × 1,715.40
  4. Step 4: Simplify right side
    2,910.06x = 6,889,089.29
  5. Step 5: Solve for x
    x = 6,889,089.29/2,910.06
  6. Step 6: Final answer
    x = 2,367.34

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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.