Home / 3,011.50-4,158.44-1,894.31

Finding the Fourth Proportional to 3,011.50, 4,158.44 and 1,894.31

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Solution

The fourth proportional to 3,011.50, 4,158.44 and 1,894.31 is: 2,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.50 : 4,158.44 = 1,894.31 : x
  2. Step 2: Convert to fraction form
    3,011.50/4,158.44 = 1,894.31/x
  3. Step 3: Cross multiply
    3,011.50x = 4,158.44 × 1,894.31
  4. Step 4: Simplify right side
    3,011.50x = 7,877,374.48
  5. Step 5: Solve for x
    x = 7,877,374.48/3,011.50
  6. Step 6: Final answer
    x = 2,615.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.