Home / 1,924.16-2,889.12-1,856.96

Finding the Fourth Proportional to 1,924.16, 2,889.12 and 1,856.96

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Solution

The fourth proportional to 1,924.16, 2,889.12 and 1,856.96 is: 2,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.16 : 2,889.12 = 1,856.96 : x
  2. Step 2: Convert to fraction form
    1,924.16/2,889.12 = 1,856.96/x
  3. Step 3: Cross multiply
    1,924.16x = 2,889.12 × 1,856.96
  4. Step 4: Simplify right side
    1,924.16x = 5,364,980.28
  5. Step 5: Solve for x
    x = 5,364,980.28/1,924.16
  6. Step 6: Final answer
    x = 2,788.22

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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.