Home / 1,927.19-2,662.15-1,490.60

Finding the Fourth Proportional to 1,927.19, 2,662.15 and 1,490.60

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Solution

The fourth proportional to 1,927.19, 2,662.15 and 1,490.60 is: 2,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.19 : 2,662.15 = 1,490.60 : x
  2. Step 2: Convert to fraction form
    1,927.19/2,662.15 = 1,490.60/x
  3. Step 3: Cross multiply
    1,927.19x = 2,662.15 × 1,490.60
  4. Step 4: Simplify right side
    1,927.19x = 3,968,200.79
  5. Step 5: Solve for x
    x = 3,968,200.79/1,927.19
  6. Step 6: Final answer
    x = 2,059.06

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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.