Home / 2,914.02-4,021.11-1,587.66

Finding the Fourth Proportional to 2,914.02, 4,021.11 and 1,587.66

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Solution

The fourth proportional to 2,914.02, 4,021.11 and 1,587.66 is: 2,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.02 : 4,021.11 = 1,587.66 : x
  2. Step 2: Convert to fraction form
    2,914.02/4,021.11 = 1,587.66/x
  3. Step 3: Cross multiply
    2,914.02x = 4,021.11 × 1,587.66
  4. Step 4: Simplify right side
    2,914.02x = 6,384,155.50
  5. Step 5: Solve for x
    x = 6,384,155.50/2,914.02
  6. Step 6: Final answer
    x = 2,190.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.