Home / 1,874.48-2,587.50-1,677.64

Finding the Fourth Proportional to 1,874.48, 2,587.50 and 1,677.64

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Solution

The fourth proportional to 1,874.48, 2,587.50 and 1,677.64 is: 2,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.48 : 2,587.50 = 1,677.64 : x
  2. Step 2: Convert to fraction form
    1,874.48/2,587.50 = 1,677.64/x
  3. Step 3: Cross multiply
    1,874.48x = 2,587.50 × 1,677.64
  4. Step 4: Simplify right side
    1,874.48x = 4,340,893.50
  5. Step 5: Solve for x
    x = 4,340,893.50/1,874.48
  6. Step 6: Final answer
    x = 2,315.79

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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.