Home / 2,374.93-3,278.55-1,491.22

Finding the Fourth Proportional to 2,374.93, 3,278.55 and 1,491.22

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Solution

The fourth proportional to 2,374.93, 3,278.55 and 1,491.22 is: 2,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.93 : 3,278.55 = 1,491.22 : x
  2. Step 2: Convert to fraction form
    2,374.93/3,278.55 = 1,491.22/x
  3. Step 3: Cross multiply
    2,374.93x = 3,278.55 × 1,491.22
  4. Step 4: Simplify right side
    2,374.93x = 4,889,039.33
  5. Step 5: Solve for x
    x = 4,889,039.33/2,374.93
  6. Step 6: Final answer
    x = 2,058.60

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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.