Home / 1,577.86-2,176.74-1,073.10

Finding the Fourth Proportional to 1,577.86, 2,176.74 and 1,073.10

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Solution

The fourth proportional to 1,577.86, 2,176.74 and 1,073.10 is: 1,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.86 : 2,176.74 = 1,073.10 : x
  2. Step 2: Convert to fraction form
    1,577.86/2,176.74 = 1,073.10/x
  3. Step 3: Cross multiply
    1,577.86x = 2,176.74 × 1,073.10
  4. Step 4: Simplify right side
    1,577.86x = 2,335,855.61
  5. Step 5: Solve for x
    x = 2,335,855.61/1,577.86
  6. Step 6: Final answer
    x = 1,480.39

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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.