Home / 2,914.07-4,021.41-1,587.77

Finding the Fourth Proportional to 2,914.07, 4,021.41 and 1,587.77

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Solution

The fourth proportional to 2,914.07, 4,021.41 and 1,587.77 is: 2,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.07 : 4,021.41 = 1,587.77 : x
  2. Step 2: Convert to fraction form
    2,914.07/4,021.41 = 1,587.77/x
  3. Step 3: Cross multiply
    2,914.07x = 4,021.41 × 1,587.77
  4. Step 4: Simplify right side
    2,914.07x = 6,385,090.16
  5. Step 5: Solve for x
    x = 6,385,090.16/2,914.07
  6. Step 6: Final answer
    x = 2,191.13

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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.