Home / 2,910.04-4,015.80-1,583.74

Finding the Fourth Proportional to 2,910.04, 4,015.80 and 1,583.74

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Solution

The fourth proportional to 2,910.04, 4,015.80 and 1,583.74 is: 2,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.04 : 4,015.80 = 1,583.74 : x
  2. Step 2: Convert to fraction form
    2,910.04/4,015.80 = 1,583.74/x
  3. Step 3: Cross multiply
    2,910.04x = 4,015.80 × 1,583.74
  4. Step 4: Simplify right side
    2,910.04x = 6,359,983.09
  5. Step 5: Solve for x
    x = 6,359,983.09/2,910.04
  6. Step 6: Final answer
    x = 2,185.53

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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.