Home / 1,819.35-2,497.68-1,570.32

Finding the Fourth Proportional to 1,819.35, 2,497.68 and 1,570.32

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Solution

The fourth proportional to 1,819.35, 2,497.68 and 1,570.32 is: 2,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.35 : 2,497.68 = 1,570.32 : x
  2. Step 2: Convert to fraction form
    1,819.35/2,497.68 = 1,570.32/x
  3. Step 3: Cross multiply
    1,819.35x = 2,497.68 × 1,570.32
  4. Step 4: Simplify right side
    1,819.35x = 3,922,156.86
  5. Step 5: Solve for x
    x = 3,922,156.86/1,819.35
  6. Step 6: Final answer
    x = 2,155.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.