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Finding the Fourth Proportional to 2,648.94, 3,655.46 and 1,470

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Solution

The fourth proportional to 2,648.94, 3,655.46 and 1,470 is: 2,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.94 : 3,655.46 = 1,470 : x
  2. Step 2: Convert to fraction form
    2,648.94/3,655.46 = 1,470/x
  3. Step 3: Cross multiply
    2,648.94x = 3,655.46 × 1,470
  4. Step 4: Simplify right side
    2,648.94x = 5,373,526.20
  5. Step 5: Solve for x
    x = 5,373,526.20/2,648.94
  6. Step 6: Final answer
    x = 2,028.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.