Home / 2,881.85-4,319.67-1,397.93

Finding the Fourth Proportional to 2,881.85, 4,319.67 and 1,397.93

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Solution

The fourth proportional to 2,881.85, 4,319.67 and 1,397.93 is: 2,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.85 : 4,319.67 = 1,397.93 : x
  2. Step 2: Convert to fraction form
    2,881.85/4,319.67 = 1,397.93/x
  3. Step 3: Cross multiply
    2,881.85x = 4,319.67 × 1,397.93
  4. Step 4: Simplify right side
    2,881.85x = 6,038,596.28
  5. Step 5: Solve for x
    x = 6,038,596.28/2,881.85
  6. Step 6: Final answer
    x = 2,095.39

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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.