Home / 3,014.95-4,161.03-1,688.74

Finding the Fourth Proportional to 3,014.95, 4,161.03 and 1,688.74

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Solution

The fourth proportional to 3,014.95, 4,161.03 and 1,688.74 is: 2,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.95 : 4,161.03 = 1,688.74 : x
  2. Step 2: Convert to fraction form
    3,014.95/4,161.03 = 1,688.74/x
  3. Step 3: Cross multiply
    3,014.95x = 4,161.03 × 1,688.74
  4. Step 4: Simplify right side
    3,014.95x = 7,026,897.80
  5. Step 5: Solve for x
    x = 7,026,897.80/3,014.95
  6. Step 6: Final answer
    x = 2,330.68

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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.