Home / 1,554.87-2,143.95-1,134.48

Finding the Fourth Proportional to 1,554.87, 2,143.95 and 1,134.48

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Solution

The fourth proportional to 1,554.87, 2,143.95 and 1,134.48 is: 1,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.87 : 2,143.95 = 1,134.48 : x
  2. Step 2: Convert to fraction form
    1,554.87/2,143.95 = 1,134.48/x
  3. Step 3: Cross multiply
    1,554.87x = 2,143.95 × 1,134.48
  4. Step 4: Simplify right side
    1,554.87x = 2,432,268.40
  5. Step 5: Solve for x
    x = 2,432,268.40/1,554.87
  6. Step 6: Final answer
    x = 1,564.29

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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.