Home / 3,013.84-4,159.35-1,687.67

Finding the Fourth Proportional to 3,013.84, 4,159.35 and 1,687.67

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Solution

The fourth proportional to 3,013.84, 4,159.35 and 1,687.67 is: 2,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.84 : 4,159.35 = 1,687.67 : x
  2. Step 2: Convert to fraction form
    3,013.84/4,159.35 = 1,687.67/x
  3. Step 3: Cross multiply
    3,013.84x = 4,159.35 × 1,687.67
  4. Step 4: Simplify right side
    3,013.84x = 7,019,605.02
  5. Step 5: Solve for x
    x = 7,019,605.02/3,013.84
  6. Step 6: Final answer
    x = 2,329.12

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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.