Home / 2,888.64-4,334.40-1,245.60

Finding the Fourth Proportional to 2,888.64, 4,334.40 and 1,245.60

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Solution

The fourth proportional to 2,888.64, 4,334.40 and 1,245.60 is: 1,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.64 : 4,334.40 = 1,245.60 : x
  2. Step 2: Convert to fraction form
    2,888.64/4,334.40 = 1,245.60/x
  3. Step 3: Cross multiply
    2,888.64x = 4,334.40 × 1,245.60
  4. Step 4: Simplify right side
    2,888.64x = 5,398,928.64
  5. Step 5: Solve for x
    x = 5,398,928.64/2,888.64
  6. Step 6: Final answer
    x = 1,869.02

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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.