Home / 1,528.86-2,106.27-1,266.06

Finding the Fourth Proportional to 1,528.86, 2,106.27 and 1,266.06

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Solution

The fourth proportional to 1,528.86, 2,106.27 and 1,266.06 is: 1,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.86 : 2,106.27 = 1,266.06 : x
  2. Step 2: Convert to fraction form
    1,528.86/2,106.27 = 1,266.06/x
  3. Step 3: Cross multiply
    1,528.86x = 2,106.27 × 1,266.06
  4. Step 4: Simplify right side
    1,528.86x = 2,666,664.20
  5. Step 5: Solve for x
    x = 2,666,664.20/1,528.86
  6. Step 6: Final answer
    x = 1,744.22

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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.