Home / 1,854.13-2,558.98-1,057.45

Finding the Fourth Proportional to 1,854.13, 2,558.98 and 1,057.45

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Solution

The fourth proportional to 1,854.13, 2,558.98 and 1,057.45 is: 1,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.13 : 2,558.98 = 1,057.45 : x
  2. Step 2: Convert to fraction form
    1,854.13/2,558.98 = 1,057.45/x
  3. Step 3: Cross multiply
    1,854.13x = 2,558.98 × 1,057.45
  4. Step 4: Simplify right side
    1,854.13x = 2,706,002.44
  5. Step 5: Solve for x
    x = 2,706,002.44/1,854.13
  6. Step 6: Final answer
    x = 1,459.45

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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.