Home / 2,677.40-4,009.86-2,603.58

Finding the Fourth Proportional to 2,677.40, 4,009.86 and 2,603.58

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Solution

The fourth proportional to 2,677.40, 4,009.86 and 2,603.58 is: 3,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.40 : 4,009.86 = 2,603.58 : x
  2. Step 2: Convert to fraction form
    2,677.40/4,009.86 = 2,603.58/x
  3. Step 3: Cross multiply
    2,677.40x = 4,009.86 × 2,603.58
  4. Step 4: Simplify right side
    2,677.40x = 10,439,991.30
  5. Step 5: Solve for x
    x = 10,439,991.30/2,677.40
  6. Step 6: Final answer
    x = 3,899.30

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1.5x scale

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.