Home / 1,927.59-2,660.07-1,130.77

Finding the Fourth Proportional to 1,927.59, 2,660.07 and 1,130.77

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Solution

The fourth proportional to 1,927.59, 2,660.07 and 1,130.77 is: 1,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.59 : 2,660.07 = 1,130.77 : x
  2. Step 2: Convert to fraction form
    1,927.59/2,660.07 = 1,130.77/x
  3. Step 3: Cross multiply
    1,927.59x = 2,660.07 × 1,130.77
  4. Step 4: Simplify right side
    1,927.59x = 3,007,927.35
  5. Step 5: Solve for x
    x = 3,007,927.35/1,927.59
  6. Step 6: Final answer
    x = 1,560.46

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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.