Home / 1,923.86-2,887.75-1,705.84

Finding the Fourth Proportional to 1,923.86, 2,887.75 and 1,705.84

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Solution

The fourth proportional to 1,923.86, 2,887.75 and 1,705.84 is: 2,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.86 : 2,887.75 = 1,705.84 : x
  2. Step 2: Convert to fraction form
    1,923.86/2,887.75 = 1,705.84/x
  3. Step 3: Cross multiply
    1,923.86x = 2,887.75 × 1,705.84
  4. Step 4: Simplify right side
    1,923.86x = 4,926,039.46
  5. Step 5: Solve for x
    x = 4,926,039.46/1,923.86
  6. Step 6: Final answer
    x = 2,560.50

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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.