Home / 2,323.40-3,206.28-1,275.48

Finding the Fourth Proportional to 2,323.40, 3,206.28 and 1,275.48

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Solution

The fourth proportional to 2,323.40, 3,206.28 and 1,275.48 is: 1,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.40 : 3,206.28 = 1,275.48 : x
  2. Step 2: Convert to fraction form
    2,323.40/3,206.28 = 1,275.48/x
  3. Step 3: Cross multiply
    2,323.40x = 3,206.28 × 1,275.48
  4. Step 4: Simplify right side
    2,323.40x = 4,089,546.01
  5. Step 5: Solve for x
    x = 4,089,546.01/2,323.40
  6. Step 6: Final answer
    x = 1,760.16

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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.