Home / 1,929.05-2,890.84-1,410.24

Finding the Fourth Proportional to 1,929.05, 2,890.84 and 1,410.24

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Solution

The fourth proportional to 1,929.05, 2,890.84 and 1,410.24 is: 2,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.05 : 2,890.84 = 1,410.24 : x
  2. Step 2: Convert to fraction form
    1,929.05/2,890.84 = 1,410.24/x
  3. Step 3: Cross multiply
    1,929.05x = 2,890.84 × 1,410.24
  4. Step 4: Simplify right side
    1,929.05x = 4,076,778.20
  5. Step 5: Solve for x
    x = 4,076,778.20/1,929.05
  6. Step 6: Final answer
    x = 2,113.36

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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.