Home / 2,977.86-4,104.70-2,347.36

Finding the Fourth Proportional to 2,977.86, 4,104.70 and 2,347.36

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Solution

The fourth proportional to 2,977.86, 4,104.70 and 2,347.36 is: 3,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.86 : 4,104.70 = 2,347.36 : x
  2. Step 2: Convert to fraction form
    2,977.86/4,104.70 = 2,347.36/x
  3. Step 3: Cross multiply
    2,977.86x = 4,104.70 × 2,347.36
  4. Step 4: Simplify right side
    2,977.86x = 9,635,208.59
  5. Step 5: Solve for x
    x = 9,635,208.59/2,977.86
  6. Step 6: Final answer
    x = 3,235.62

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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.