Home / 1,854.30-2,558.41-1,068.20

Finding the Fourth Proportional to 1,854.30, 2,558.41 and 1,068.20

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Solution

The fourth proportional to 1,854.30, 2,558.41 and 1,068.20 is: 1,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.30 : 2,558.41 = 1,068.20 : x
  2. Step 2: Convert to fraction form
    1,854.30/2,558.41 = 1,068.20/x
  3. Step 3: Cross multiply
    1,854.30x = 2,558.41 × 1,068.20
  4. Step 4: Simplify right side
    1,854.30x = 2,732,878.10
  5. Step 5: Solve for x
    x = 2,732,878.10/1,854.30
  6. Step 6: Final answer
    x = 1,473.81

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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.