Home / 2,070.13-3,101.55-1,946.81

Finding the Fourth Proportional to 2,070.13, 3,101.55 and 1,946.81

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Solution

The fourth proportional to 2,070.13, 3,101.55 and 1,946.81 is: 2,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.13 : 3,101.55 = 1,946.81 : x
  2. Step 2: Convert to fraction form
    2,070.13/3,101.55 = 1,946.81/x
  3. Step 3: Cross multiply
    2,070.13x = 3,101.55 × 1,946.81
  4. Step 4: Simplify right side
    2,070.13x = 6,038,105.75
  5. Step 5: Solve for x
    x = 6,038,105.75/2,070.13
  6. Step 6: Final answer
    x = 2,916.78

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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.