Home / 1,558.13-2,143.93-1,504.26

Finding the Fourth Proportional to 1,558.13, 2,143.93 and 1,504.26

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Solution

The fourth proportional to 1,558.13, 2,143.93 and 1,504.26 is: 2,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.13 : 2,143.93 = 1,504.26 : x
  2. Step 2: Convert to fraction form
    1,558.13/2,143.93 = 1,504.26/x
  3. Step 3: Cross multiply
    1,558.13x = 2,143.93 × 1,504.26
  4. Step 4: Simplify right side
    1,558.13x = 3,225,028.14
  5. Step 5: Solve for x
    x = 3,225,028.14/1,558.13
  6. Step 6: Final answer
    x = 2,069.81

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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.