Home / 2,707.40-4,055.70-1,886.60

Finding the Fourth Proportional to 2,707.40, 4,055.70 and 1,886.60

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Solution

The fourth proportional to 2,707.40, 4,055.70 and 1,886.60 is: 2,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.40 : 4,055.70 = 1,886.60 : x
  2. Step 2: Convert to fraction form
    2,707.40/4,055.70 = 1,886.60/x
  3. Step 3: Cross multiply
    2,707.40x = 4,055.70 × 1,886.60
  4. Step 4: Simplify right side
    2,707.40x = 7,651,483.62
  5. Step 5: Solve for x
    x = 7,651,483.62/2,707.40
  6. Step 6: Final answer
    x = 2,826.14

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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.