Home / 2,878.04-4,315.98-1,577.72

Finding the Fourth Proportional to 2,878.04, 4,315.98 and 1,577.72

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Solution

The fourth proportional to 2,878.04, 4,315.98 and 1,577.72 is: 2,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.04 : 4,315.98 = 1,577.72 : x
  2. Step 2: Convert to fraction form
    2,878.04/4,315.98 = 1,577.72/x
  3. Step 3: Cross multiply
    2,878.04x = 4,315.98 × 1,577.72
  4. Step 4: Simplify right side
    2,878.04x = 6,809,407.97
  5. Step 5: Solve for x
    x = 6,809,407.97/2,878.04
  6. Step 6: Final answer
    x = 2,365.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.