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Finding the Fourth Proportional to 3,722.04, 5,578.32 and 1,870.32

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Solution

The fourth proportional to 3,722.04, 5,578.32 and 1,870.32 is: 2,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.04 : 5,578.32 = 1,870.32 : x
  2. Step 2: Convert to fraction form
    3,722.04/5,578.32 = 1,870.32/x
  3. Step 3: Cross multiply
    3,722.04x = 5,578.32 × 1,870.32
  4. Step 4: Simplify right side
    3,722.04x = 10,433,243.46
  5. Step 5: Solve for x
    x = 10,433,243.46/3,722.04
  6. Step 6: Final answer
    x = 2,803.10

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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.