Home / 1,883.86-2,823.05-1,688.85

Finding the Fourth Proportional to 1,883.86, 2,823.05 and 1,688.85

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Solution

The fourth proportional to 1,883.86, 2,823.05 and 1,688.85 is: 2,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.86 : 2,823.05 = 1,688.85 : x
  2. Step 2: Convert to fraction form
    1,883.86/2,823.05 = 1,688.85/x
  3. Step 3: Cross multiply
    1,883.86x = 2,823.05 × 1,688.85
  4. Step 4: Simplify right side
    1,883.86x = 4,767,712.21
  5. Step 5: Solve for x
    x = 4,767,712.21/1,883.86
  6. Step 6: Final answer
    x = 2,530.82

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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.