Home / 2,410.19-3,633.90-1,929.05

Finding the Fourth Proportional to 2,410.19, 3,633.90 and 1,929.05

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Solution

The fourth proportional to 2,410.19, 3,633.90 and 1,929.05 is: 2,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.19 : 3,633.90 = 1,929.05 : x
  2. Step 2: Convert to fraction form
    2,410.19/3,633.90 = 1,929.05/x
  3. Step 3: Cross multiply
    2,410.19x = 3,633.90 × 1,929.05
  4. Step 4: Simplify right side
    2,410.19x = 7,009,963.02
  5. Step 5: Solve for x
    x = 7,009,963.02/2,410.19
  6. Step 6: Final answer
    x = 2,908.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.