Home / 1,548.57-2,135.41-1,077.00

Finding the Fourth Proportional to 1,548.57, 2,135.41 and 1,077.00

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Solution

The fourth proportional to 1,548.57, 2,135.41 and 1,077.00 is: 1,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.57 : 2,135.41 = 1,077.00 : x
  2. Step 2: Convert to fraction form
    1,548.57/2,135.41 = 1,077.00/x
  3. Step 3: Cross multiply
    1,548.57x = 2,135.41 × 1,077.00
  4. Step 4: Simplify right side
    1,548.57x = 2,299,831.93
  5. Step 5: Solve for x
    x = 2,299,831.93/1,548.57
  6. Step 6: Final answer
    x = 1,485.13

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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.