Home / 1,854.25-2,558.60-1,057.45

Finding the Fourth Proportional to 1,854.25, 2,558.60 and 1,057.45

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Solution

The fourth proportional to 1,854.25, 2,558.60 and 1,057.45 is: 1,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.25 : 2,558.60 = 1,057.45 : x
  2. Step 2: Convert to fraction form
    1,854.25/2,558.60 = 1,057.45/x
  3. Step 3: Cross multiply
    1,854.25x = 2,558.60 × 1,057.45
  4. Step 4: Simplify right side
    1,854.25x = 2,705,585.83
  5. Step 5: Solve for x
    x = 2,705,585.83/1,854.25
  6. Step 6: Final answer
    x = 1,459.13

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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.