Home / 1,551.02-2,138.81-1,341.02

Finding the Fourth Proportional to 1,551.02, 2,138.81 and 1,341.02

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Solution

The fourth proportional to 1,551.02, 2,138.81 and 1,341.02 is: 1,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.02 : 2,138.81 = 1,341.02 : x
  2. Step 2: Convert to fraction form
    1,551.02/2,138.81 = 1,341.02/x
  3. Step 3: Cross multiply
    1,551.02x = 2,138.81 × 1,341.02
  4. Step 4: Simplify right side
    1,551.02x = 2,868,185.63
  5. Step 5: Solve for x
    x = 2,868,185.63/1,551.02
  6. Step 6: Final answer
    x = 1,849.23

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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.