Home / 1,874.16-2,587.32-1,563.12

Finding the Fourth Proportional to 1,874.16, 2,587.32 and 1,563.12

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Solution

The fourth proportional to 1,874.16, 2,587.32 and 1,563.12 is: 2,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.16 : 2,587.32 = 1,563.12 : x
  2. Step 2: Convert to fraction form
    1,874.16/2,587.32 = 1,563.12/x
  3. Step 3: Cross multiply
    1,874.16x = 2,587.32 × 1,563.12
  4. Step 4: Simplify right side
    1,874.16x = 4,044,291.64
  5. Step 5: Solve for x
    x = 4,044,291.64/1,874.16
  6. Step 6: Final answer
    x = 2,157.92

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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.