Home / 1,655.04-2,286.84-1,360.08

Finding the Fourth Proportional to 1,655.04, 2,286.84 and 1,360.08

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Solution

The fourth proportional to 1,655.04, 2,286.84 and 1,360.08 is: 1,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.04 : 2,286.84 = 1,360.08 : x
  2. Step 2: Convert to fraction form
    1,655.04/2,286.84 = 1,360.08/x
  3. Step 3: Cross multiply
    1,655.04x = 2,286.84 × 1,360.08
  4. Step 4: Simplify right side
    1,655.04x = 3,110,285.35
  5. Step 5: Solve for x
    x = 3,110,285.35/1,655.04
  6. Step 6: Final answer
    x = 1,879.28

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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.