Home / 3,119.06-4,677.59-1,038.51

Finding the Fourth Proportional to 3,119.06, 4,677.59 and 1,038.51

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Solution

The fourth proportional to 3,119.06, 4,677.59 and 1,038.51 is: 1,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.06 : 4,677.59 = 1,038.51 : x
  2. Step 2: Convert to fraction form
    3,119.06/4,677.59 = 1,038.51/x
  3. Step 3: Cross multiply
    3,119.06x = 4,677.59 × 1,038.51
  4. Step 4: Simplify right side
    3,119.06x = 4,857,718.80
  5. Step 5: Solve for x
    x = 4,857,718.80/3,119.06
  6. Step 6: Final answer
    x = 1,557.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.