Home / 1,782.46-2,459.64-1,036.60

Finding the Fourth Proportional to 1,782.46, 2,459.64 and 1,036.60

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Solution

The fourth proportional to 1,782.46, 2,459.64 and 1,036.60 is: 1,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.46 : 2,459.64 = 1,036.60 : x
  2. Step 2: Convert to fraction form
    1,782.46/2,459.64 = 1,036.60/x
  3. Step 3: Cross multiply
    1,782.46x = 2,459.64 × 1,036.60
  4. Step 4: Simplify right side
    1,782.46x = 2,549,662.82
  5. Step 5: Solve for x
    x = 2,549,662.82/1,782.46
  6. Step 6: Final answer
    x = 1,430.42

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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.