Home / 1,655.76-2,485.26-1,648.06

Finding the Fourth Proportional to 1,655.76, 2,485.26 and 1,648.06

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Solution

The fourth proportional to 1,655.76, 2,485.26 and 1,648.06 is: 2,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.76 : 2,485.26 = 1,648.06 : x
  2. Step 2: Convert to fraction form
    1,655.76/2,485.26 = 1,648.06/x
  3. Step 3: Cross multiply
    1,655.76x = 2,485.26 × 1,648.06
  4. Step 4: Simplify right side
    1,655.76x = 4,095,857.60
  5. Step 5: Solve for x
    x = 4,095,857.60/1,655.76
  6. Step 6: Final answer
    x = 2,473.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.