Home / 2,268.36-3,132.18-1,430.46

Finding the Fourth Proportional to 2,268.36, 3,132.18 and 1,430.46

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Solution

The fourth proportional to 2,268.36, 3,132.18 and 1,430.46 is: 1,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.36 : 3,132.18 = 1,430.46 : x
  2. Step 2: Convert to fraction form
    2,268.36/3,132.18 = 1,430.46/x
  3. Step 3: Cross multiply
    2,268.36x = 3,132.18 × 1,430.46
  4. Step 4: Simplify right side
    2,268.36x = 4,480,458.20
  5. Step 5: Solve for x
    x = 4,480,458.20/2,268.36
  6. Step 6: Final answer
    x = 1,975.20

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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.