Home / 2,918.22-4,376.70-1,070.19

Finding the Fourth Proportional to 2,918.22, 4,376.70 and 1,070.19

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Solution

The fourth proportional to 2,918.22, 4,376.70 and 1,070.19 is: 1,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.22 : 4,376.70 = 1,070.19 : x
  2. Step 2: Convert to fraction form
    2,918.22/4,376.70 = 1,070.19/x
  3. Step 3: Cross multiply
    2,918.22x = 4,376.70 × 1,070.19
  4. Step 4: Simplify right side
    2,918.22x = 4,683,900.57
  5. Step 5: Solve for x
    x = 4,683,900.57/2,918.22
  6. Step 6: Final answer
    x = 1,605.05

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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.