Home / 1,480.66-2,043.56-1,415.05

Finding the Fourth Proportional to 1,480.66, 2,043.56 and 1,415.05

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Solution

The fourth proportional to 1,480.66, 2,043.56 and 1,415.05 is: 1,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.66 : 2,043.56 = 1,415.05 : x
  2. Step 2: Convert to fraction form
    1,480.66/2,043.56 = 1,415.05/x
  3. Step 3: Cross multiply
    1,480.66x = 2,043.56 × 1,415.05
  4. Step 4: Simplify right side
    1,480.66x = 2,891,739.58
  5. Step 5: Solve for x
    x = 2,891,739.58/1,480.66
  6. Step 6: Final answer
    x = 1,953.01

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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.