Home / 1,854.12-2,558.60-1,068.20

Finding the Fourth Proportional to 1,854.12, 2,558.60 and 1,068.20

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Solution

The fourth proportional to 1,854.12, 2,558.60 and 1,068.20 is: 1,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.12 : 2,558.60 = 1,068.20 : x
  2. Step 2: Convert to fraction form
    1,854.12/2,558.60 = 1,068.20/x
  3. Step 3: Cross multiply
    1,854.12x = 2,558.60 × 1,068.20
  4. Step 4: Simplify right side
    1,854.12x = 2,733,096.52
  5. Step 5: Solve for x
    x = 2,733,096.52/1,854.12
  6. Step 6: Final answer
    x = 1,474.07

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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.