Home / 1,965.60-2,710.08-1,303.92

Finding the Fourth Proportional to 1,965.60, 2,710.08 and 1,303.92

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Solution

The fourth proportional to 1,965.60, 2,710.08 and 1,303.92 is: 1,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.60 : 2,710.08 = 1,303.92 : x
  2. Step 2: Convert to fraction form
    1,965.60/2,710.08 = 1,303.92/x
  3. Step 3: Cross multiply
    1,965.60x = 2,710.08 × 1,303.92
  4. Step 4: Simplify right side
    1,965.60x = 3,533,727.51
  5. Step 5: Solve for x
    x = 3,533,727.51/1,965.60
  6. Step 6: Final answer
    x = 1,797.79

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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.