Home / 2,041.86-2,817.75-1,157.85

Finding the Fourth Proportional to 2,041.86, 2,817.75 and 1,157.85

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Solution

The fourth proportional to 2,041.86, 2,817.75 and 1,157.85 is: 1,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.86 : 2,817.75 = 1,157.85 : x
  2. Step 2: Convert to fraction form
    2,041.86/2,817.75 = 1,157.85/x
  3. Step 3: Cross multiply
    2,041.86x = 2,817.75 × 1,157.85
  4. Step 4: Simplify right side
    2,041.86x = 3,262,531.84
  5. Step 5: Solve for x
    x = 3,262,531.84/2,041.86
  6. Step 6: Final answer
    x = 1,597.82

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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.