Home / 2,710.56-4,062.18-1,409.40

Finding the Fourth Proportional to 2,710.56, 4,062.18 and 1,409.40

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Solution

The fourth proportional to 2,710.56, 4,062.18 and 1,409.40 is: 2,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.56 : 4,062.18 = 1,409.40 : x
  2. Step 2: Convert to fraction form
    2,710.56/4,062.18 = 1,409.40/x
  3. Step 3: Cross multiply
    2,710.56x = 4,062.18 × 1,409.40
  4. Step 4: Simplify right side
    2,710.56x = 5,725,236.49
  5. Step 5: Solve for x
    x = 5,725,236.49/2,710.56
  6. Step 6: Final answer
    x = 2,112.20

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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.