Home / 1,472.78-2,208.32-1,011.08

Finding the Fourth Proportional to 1,472.78, 2,208.32 and 1,011.08

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Solution

The fourth proportional to 1,472.78, 2,208.32 and 1,011.08 is: 1,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.78 : 2,208.32 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    1,472.78/2,208.32 = 1,011.08/x
  3. Step 3: Cross multiply
    1,472.78x = 2,208.32 × 1,011.08
  4. Step 4: Simplify right side
    1,472.78x = 2,232,783.13
  5. Step 5: Solve for x
    x = 2,232,783.13/1,472.78
  6. Step 6: Final answer
    x = 1,516.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.