Home / 3,119.59-4,677.04-1,886.75

Finding the Fourth Proportional to 3,119.59, 4,677.04 and 1,886.75

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Solution

The fourth proportional to 3,119.59, 4,677.04 and 1,886.75 is: 2,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.59 : 4,677.04 = 1,886.75 : x
  2. Step 2: Convert to fraction form
    3,119.59/4,677.04 = 1,886.75/x
  3. Step 3: Cross multiply
    3,119.59x = 4,677.04 × 1,886.75
  4. Step 4: Simplify right side
    3,119.59x = 8,824,384.19
  5. Step 5: Solve for x
    x = 8,824,384.19/3,119.59
  6. Step 6: Final answer
    x = 2,828.70

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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.