Home / 1,854.51-2,558.36-1,108.10

Finding the Fourth Proportional to 1,854.51, 2,558.36 and 1,108.10

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Solution

The fourth proportional to 1,854.51, 2,558.36 and 1,108.10 is: 1,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.51 : 2,558.36 = 1,108.10 : x
  2. Step 2: Convert to fraction form
    1,854.51/2,558.36 = 1,108.10/x
  3. Step 3: Cross multiply
    1,854.51x = 2,558.36 × 1,108.10
  4. Step 4: Simplify right side
    1,854.51x = 2,834,900.38
  5. Step 5: Solve for x
    x = 2,834,900.38/1,854.51
  6. Step 6: Final answer
    x = 1,528.65

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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.