Home / 2,818.77-4,224.39-1,430.70

Finding the Fourth Proportional to 2,818.77, 4,224.39 and 1,430.70

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Solution

The fourth proportional to 2,818.77, 4,224.39 and 1,430.70 is: 2,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.77 : 4,224.39 = 1,430.70 : x
  2. Step 2: Convert to fraction form
    2,818.77/4,224.39 = 1,430.70/x
  3. Step 3: Cross multiply
    2,818.77x = 4,224.39 × 1,430.70
  4. Step 4: Simplify right side
    2,818.77x = 6,043,834.77
  5. Step 5: Solve for x
    x = 6,043,834.77/2,818.77
  6. Step 6: Final answer
    x = 2,144.14

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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.