Home / 3,923.10-5,412.80-2,526.66

Finding the Fourth Proportional to 3,923.10, 5,412.80 and 2,526.66

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Solution

The fourth proportional to 3,923.10, 5,412.80 and 2,526.66 is: 3,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.10 : 5,412.80 = 2,526.66 : x
  2. Step 2: Convert to fraction form
    3,923.10/5,412.80 = 2,526.66/x
  3. Step 3: Cross multiply
    3,923.10x = 5,412.80 × 2,526.66
  4. Step 4: Simplify right side
    3,923.10x = 13,676,305.25
  5. Step 5: Solve for x
    x = 13,676,305.25/3,923.10
  6. Step 6: Final answer
    x = 3,486.10

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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.