Home / 3,314.49-4,574.03-1,802.05

Finding the Fourth Proportional to 3,314.49, 4,574.03 and 1,802.05

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Solution

The fourth proportional to 3,314.49, 4,574.03 and 1,802.05 is: 2,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.49 : 4,574.03 = 1,802.05 : x
  2. Step 2: Convert to fraction form
    3,314.49/4,574.03 = 1,802.05/x
  3. Step 3: Cross multiply
    3,314.49x = 4,574.03 × 1,802.05
  4. Step 4: Simplify right side
    3,314.49x = 8,242,636.05
  5. Step 5: Solve for x
    x = 8,242,636.05/3,314.49
  6. Step 6: Final answer
    x = 2,486.85

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1.5x scale

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.