Home / 3,014.07-4,159.34-1,687.76

Finding the Fourth Proportional to 3,014.07, 4,159.34 and 1,687.76

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Solution

The fourth proportional to 3,014.07, 4,159.34 and 1,687.76 is: 2,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.07 : 4,159.34 = 1,687.76 : x
  2. Step 2: Convert to fraction form
    3,014.07/4,159.34 = 1,687.76/x
  3. Step 3: Cross multiply
    3,014.07x = 4,159.34 × 1,687.76
  4. Step 4: Simplify right side
    3,014.07x = 7,019,959.24
  5. Step 5: Solve for x
    x = 7,019,959.24/3,014.07
  6. Step 6: Final answer
    x = 2,329.07

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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.