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Finding the Fourth Proportional to 3,358.64, 5,041.03 and 1,800.40

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Solution

The fourth proportional to 3,358.64, 5,041.03 and 1,800.40 is: 2,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.64 : 5,041.03 = 1,800.40 : x
  2. Step 2: Convert to fraction form
    3,358.64/5,041.03 = 1,800.40/x
  3. Step 3: Cross multiply
    3,358.64x = 5,041.03 × 1,800.40
  4. Step 4: Simplify right side
    3,358.64x = 9,075,870.41
  5. Step 5: Solve for x
    x = 9,075,870.41/3,358.64
  6. Step 6: Final answer
    x = 2,702.25

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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.