Home / 2,151.36-3,225.60-1,054.26

Finding the Fourth Proportional to 2,151.36, 3,225.60 and 1,054.26

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Solution

The fourth proportional to 2,151.36, 3,225.60 and 1,054.26 is: 1,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.36 : 3,225.60 = 1,054.26 : x
  2. Step 2: Convert to fraction form
    2,151.36/3,225.60 = 1,054.26/x
  3. Step 3: Cross multiply
    2,151.36x = 3,225.60 × 1,054.26
  4. Step 4: Simplify right side
    2,151.36x = 3,400,621.06
  5. Step 5: Solve for x
    x = 3,400,621.06/2,151.36
  6. Step 6: Final answer
    x = 1,580.68

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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.