Home / 2,041.79-2,817.67-1,157.65

Finding the Fourth Proportional to 2,041.79, 2,817.67 and 1,157.65

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Solution

The fourth proportional to 2,041.79, 2,817.67 and 1,157.65 is: 1,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.79 : 2,817.67 = 1,157.65 : x
  2. Step 2: Convert to fraction form
    2,041.79/2,817.67 = 1,157.65/x
  3. Step 3: Cross multiply
    2,041.79x = 2,817.67 × 1,157.65
  4. Step 4: Simplify right side
    2,041.79x = 3,261,875.68
  5. Step 5: Solve for x
    x = 3,261,875.68/2,041.79
  6. Step 6: Final answer
    x = 1,597.56

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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.