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Finding the Fourth Proportional to 1,036.04, 1,554.08 and 829.65

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Solution

The fourth proportional to 1,036.04, 1,554.08 and 829.65 is: 1,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.04 : 1,554.08 = 829.65 : x
  2. Step 2: Convert to fraction form
    1,036.04/1,554.08 = 829.65/x
  3. Step 3: Cross multiply
    1,036.04x = 1,554.08 × 829.65
  4. Step 4: Simplify right side
    1,036.04x = 1,289,342.47
  5. Step 5: Solve for x
    x = 1,289,342.47/1,036.04
  6. Step 6: Final answer
    x = 1,244.49

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Double scale
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1.5x scale

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.