Home / 2,914.04-4,021.32-1,587.74

Finding the Fourth Proportional to 2,914.04, 4,021.32 and 1,587.74

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Solution

The fourth proportional to 2,914.04, 4,021.32 and 1,587.74 is: 2,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.04 : 4,021.32 = 1,587.74 : x
  2. Step 2: Convert to fraction form
    2,914.04/4,021.32 = 1,587.74/x
  3. Step 3: Cross multiply
    2,914.04x = 4,021.32 × 1,587.74
  4. Step 4: Simplify right side
    2,914.04x = 6,384,790.51
  5. Step 5: Solve for x
    x = 6,384,790.51/2,914.04
  6. Step 6: Final answer
    x = 2,191.05

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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.