Home / 1,924.40-2,886.60-1,908.20

Finding the Fourth Proportional to 1,924.40, 2,886.60 and 1,908.20

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Solution

The fourth proportional to 1,924.40, 2,886.60 and 1,908.20 is: 2,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.40 : 2,886.60 = 1,908.20 : x
  2. Step 2: Convert to fraction form
    1,924.40/2,886.60 = 1,908.20/x
  3. Step 3: Cross multiply
    1,924.40x = 2,886.60 × 1,908.20
  4. Step 4: Simplify right side
    1,924.40x = 5,508,210.12
  5. Step 5: Solve for x
    x = 5,508,210.12/1,924.40
  6. Step 6: Final answer
    x = 2,862.30

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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.