Home / 1,328.16-1,833.08-1,106.76

Finding the Fourth Proportional to 1,328.16, 1,833.08 and 1,106.76

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Solution

The fourth proportional to 1,328.16, 1,833.08 and 1,106.76 is: 1,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328.16 : 1,833.08 = 1,106.76 : x
  2. Step 2: Convert to fraction form
    1,328.16/1,833.08 = 1,106.76/x
  3. Step 3: Cross multiply
    1,328.16x = 1,833.08 × 1,106.76
  4. Step 4: Simplify right side
    1,328.16x = 2,028,779.62
  5. Step 5: Solve for x
    x = 2,028,779.62/1,328.16
  6. Step 6: Final answer
    x = 1,527.51

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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.