Home / 1,526.72-2,100.48-1,176.80

Finding the Fourth Proportional to 1,526.72, 2,100.48 and 1,176.80

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Solution

The fourth proportional to 1,526.72, 2,100.48 and 1,176.80 is: 1,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.72 : 2,100.48 = 1,176.80 : x
  2. Step 2: Convert to fraction form
    1,526.72/2,100.48 = 1,176.80/x
  3. Step 3: Cross multiply
    1,526.72x = 2,100.48 × 1,176.80
  4. Step 4: Simplify right side
    1,526.72x = 2,471,844.86
  5. Step 5: Solve for x
    x = 2,471,844.86/1,526.72
  6. Step 6: Final answer
    x = 1,619.06

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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.