Home / 2,214.45-3,056.63-1,551.47

Finding the Fourth Proportional to 2,214.45, 3,056.63 and 1,551.47

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Solution

The fourth proportional to 2,214.45, 3,056.63 and 1,551.47 is: 2,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.45 : 3,056.63 = 1,551.47 : x
  2. Step 2: Convert to fraction form
    2,214.45/3,056.63 = 1,551.47/x
  3. Step 3: Cross multiply
    2,214.45x = 3,056.63 × 1,551.47
  4. Step 4: Simplify right side
    2,214.45x = 4,742,246.71
  5. Step 5: Solve for x
    x = 4,742,246.71/2,214.45
  6. Step 6: Final answer
    x = 2,141.50

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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.