Home / 1,526.32-2,108.04-1,181.20

Finding the Fourth Proportional to 1,526.32, 2,108.04 and 1,181.20

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Solution

The fourth proportional to 1,526.32, 2,108.04 and 1,181.20 is: 1,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.32 : 2,108.04 = 1,181.20 : x
  2. Step 2: Convert to fraction form
    1,526.32/2,108.04 = 1,181.20/x
  3. Step 3: Cross multiply
    1,526.32x = 2,108.04 × 1,181.20
  4. Step 4: Simplify right side
    1,526.32x = 2,490,016.85
  5. Step 5: Solve for x
    x = 2,490,016.85/1,526.32
  6. Step 6: Final answer
    x = 1,631.39

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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.