Home / 2,148.88-2,964.41-1,353.19

Finding the Fourth Proportional to 2,148.88, 2,964.41 and 1,353.19

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Solution

The fourth proportional to 2,148.88, 2,964.41 and 1,353.19 is: 1,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.88 : 2,964.41 = 1,353.19 : x
  2. Step 2: Convert to fraction form
    2,148.88/2,964.41 = 1,353.19/x
  3. Step 3: Cross multiply
    2,148.88x = 2,964.41 × 1,353.19
  4. Step 4: Simplify right side
    2,148.88x = 4,011,409.97
  5. Step 5: Solve for x
    x = 4,011,409.97/2,148.88
  6. Step 6: Final answer
    x = 1,866.74

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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.