Home / 2,877.30-3,971.34-1,829.16

Finding the Fourth Proportional to 2,877.30, 3,971.34 and 1,829.16

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Solution

The fourth proportional to 2,877.30, 3,971.34 and 1,829.16 is: 2,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.30 : 3,971.34 = 1,829.16 : x
  2. Step 2: Convert to fraction form
    2,877.30/3,971.34 = 1,829.16/x
  3. Step 3: Cross multiply
    2,877.30x = 3,971.34 × 1,829.16
  4. Step 4: Simplify right side
    2,877.30x = 7,264,216.27
  5. Step 5: Solve for x
    x = 7,264,216.27/2,877.30
  6. Step 6: Final answer
    x = 2,524.66

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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.