Home / 3,013.77-4,159.58-1,688.07

Finding the Fourth Proportional to 3,013.77, 4,159.58 and 1,688.07

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Solution

The fourth proportional to 3,013.77, 4,159.58 and 1,688.07 is: 2,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.77 : 4,159.58 = 1,688.07 : x
  2. Step 2: Convert to fraction form
    3,013.77/4,159.58 = 1,688.07/x
  3. Step 3: Cross multiply
    3,013.77x = 4,159.58 × 1,688.07
  4. Step 4: Simplify right side
    3,013.77x = 7,021,653.77
  5. Step 5: Solve for x
    x = 7,021,653.77/3,013.77
  6. Step 6: Final answer
    x = 2,329.86

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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.