Home / 2,055.04-2,836-1,123.60

Finding the Fourth Proportional to 2,055.04, 2,836 and 1,123.60

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Solution

The fourth proportional to 2,055.04, 2,836 and 1,123.60 is: 1,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.04 : 2,836 = 1,123.60 : x
  2. Step 2: Convert to fraction form
    2,055.04/2,836 = 1,123.60/x
  3. Step 3: Cross multiply
    2,055.04x = 2,836 × 1,123.60
  4. Step 4: Simplify right side
    2,055.04x = 3,186,529.60
  5. Step 5: Solve for x
    x = 3,186,529.60/2,055.04
  6. Step 6: Final answer
    x = 1,550.59

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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.