Home / 1,782.66-2,460.58-1,036.80

Finding the Fourth Proportional to 1,782.66, 2,460.58 and 1,036.80

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Solution

The fourth proportional to 1,782.66, 2,460.58 and 1,036.80 is: 1,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.66 : 2,460.58 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    1,782.66/2,460.58 = 1,036.80/x
  3. Step 3: Cross multiply
    1,782.66x = 2,460.58 × 1,036.80
  4. Step 4: Simplify right side
    1,782.66x = 2,551,129.34
  5. Step 5: Solve for x
    x = 2,551,129.34/1,782.66
  6. Step 6: Final answer
    x = 1,431.08

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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.