Home / 2,910.06-4,005.81-2,531.70

Finding the Fourth Proportional to 2,910.06, 4,005.81 and 2,531.70

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Solution

The fourth proportional to 2,910.06, 4,005.81 and 2,531.70 is: 3,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.06 : 4,005.81 = 2,531.70 : x
  2. Step 2: Convert to fraction form
    2,910.06/4,005.81 = 2,531.70/x
  3. Step 3: Cross multiply
    2,910.06x = 4,005.81 × 2,531.70
  4. Step 4: Simplify right side
    2,910.06x = 10,141,509.18
  5. Step 5: Solve for x
    x = 10,141,509.18/2,910.06
  6. Step 6: Final answer
    x = 3,484.98

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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.