Home / 2,701.40-4,047.74-2,390.36

Finding the Fourth Proportional to 2,701.40, 4,047.74 and 2,390.36

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Solution

The fourth proportional to 2,701.40, 4,047.74 and 2,390.36 is: 3,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.40 : 4,047.74 = 2,390.36 : x
  2. Step 2: Convert to fraction form
    2,701.40/4,047.74 = 2,390.36/x
  3. Step 3: Cross multiply
    2,701.40x = 4,047.74 × 2,390.36
  4. Step 4: Simplify right side
    2,701.40x = 9,675,555.79
  5. Step 5: Solve for x
    x = 9,675,555.79/2,701.40
  6. Step 6: Final answer
    x = 3,581.68

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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.