Home / 2,886.29-4,328.24-1,107.08

Finding the Fourth Proportional to 2,886.29, 4,328.24 and 1,107.08

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Solution

The fourth proportional to 2,886.29, 4,328.24 and 1,107.08 is: 1,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.29 : 4,328.24 = 1,107.08 : x
  2. Step 2: Convert to fraction form
    2,886.29/4,328.24 = 1,107.08/x
  3. Step 3: Cross multiply
    2,886.29x = 4,328.24 × 1,107.08
  4. Step 4: Simplify right side
    2,886.29x = 4,791,689.07
  5. Step 5: Solve for x
    x = 4,791,689.07/2,886.29
  6. Step 6: Final answer
    x = 1,660.15

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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.