Home / 2,911.90-4,364.72-1,154.46

Finding the Fourth Proportional to 2,911.90, 4,364.72 and 1,154.46

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Solution

The fourth proportional to 2,911.90, 4,364.72 and 1,154.46 is: 1,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.90 : 4,364.72 = 1,154.46 : x
  2. Step 2: Convert to fraction form
    2,911.90/4,364.72 = 1,154.46/x
  3. Step 3: Cross multiply
    2,911.90x = 4,364.72 × 1,154.46
  4. Step 4: Simplify right side
    2,911.90x = 5,038,894.65
  5. Step 5: Solve for x
    x = 5,038,894.65/2,911.90
  6. Step 6: Final answer
    x = 1,730.45

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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.