Home / 3,554.65-5,331.36-1,606.40

Finding the Fourth Proportional to 3,554.65, 5,331.36 and 1,606.40

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Solution

The fourth proportional to 3,554.65, 5,331.36 and 1,606.40 is: 2,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.65 : 5,331.36 = 1,606.40 : x
  2. Step 2: Convert to fraction form
    3,554.65/5,331.36 = 1,606.40/x
  3. Step 3: Cross multiply
    3,554.65x = 5,331.36 × 1,606.40
  4. Step 4: Simplify right side
    3,554.65x = 8,564,296.70
  5. Step 5: Solve for x
    x = 8,564,296.70/3,554.65
  6. Step 6: Final answer
    x = 2,409.32

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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.