Home / 1,551.62-2,140.80-1,473.71

Finding the Fourth Proportional to 1,551.62, 2,140.80 and 1,473.71

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Solution

The fourth proportional to 1,551.62, 2,140.80 and 1,473.71 is: 2,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.62 : 2,140.80 = 1,473.71 : x
  2. Step 2: Convert to fraction form
    1,551.62/2,140.80 = 1,473.71/x
  3. Step 3: Cross multiply
    1,551.62x = 2,140.80 × 1,473.71
  4. Step 4: Simplify right side
    1,551.62x = 3,154,914.18
  5. Step 5: Solve for x
    x = 3,154,914.18/1,551.62
  6. Step 6: Final answer
    x = 2,033.30

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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.