Home / 2,710.15-3,739.70-1,648.17

Finding the Fourth Proportional to 2,710.15, 3,739.70 and 1,648.17

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Solution

The fourth proportional to 2,710.15, 3,739.70 and 1,648.17 is: 2,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.15 : 3,739.70 = 1,648.17 : x
  2. Step 2: Convert to fraction form
    2,710.15/3,739.70 = 1,648.17/x
  3. Step 3: Cross multiply
    2,710.15x = 3,739.70 × 1,648.17
  4. Step 4: Simplify right side
    2,710.15x = 6,163,665.47
  5. Step 5: Solve for x
    x = 6,163,665.47/2,710.15
  6. Step 6: Final answer
    x = 2,274.29

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1.5x scale

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.