Home / 1,904.99-2,840.38-1,742.27

Finding the Fourth Proportional to 1,904.99, 2,840.38 and 1,742.27

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Solution

The fourth proportional to 1,904.99, 2,840.38 and 1,742.27 is: 2,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.99 : 2,840.38 = 1,742.27 : x
  2. Step 2: Convert to fraction form
    1,904.99/2,840.38 = 1,742.27/x
  3. Step 3: Cross multiply
    1,904.99x = 2,840.38 × 1,742.27
  4. Step 4: Simplify right side
    1,904.99x = 4,948,707.25
  5. Step 5: Solve for x
    x = 4,948,707.25/1,904.99
  6. Step 6: Final answer
    x = 2,597.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.