Home / 3,254.74-4,491.50-1,929.07

Finding the Fourth Proportional to 3,254.74, 4,491.50 and 1,929.07

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Solution

The fourth proportional to 3,254.74, 4,491.50 and 1,929.07 is: 2,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.74 : 4,491.50 = 1,929.07 : x
  2. Step 2: Convert to fraction form
    3,254.74/4,491.50 = 1,929.07/x
  3. Step 3: Cross multiply
    3,254.74x = 4,491.50 × 1,929.07
  4. Step 4: Simplify right side
    3,254.74x = 8,664,417.91
  5. Step 5: Solve for x
    x = 8,664,417.91/3,254.74
  6. Step 6: Final answer
    x = 2,662.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.