Home / 2,073.76-2,860.32-1,376.08

Finding the Fourth Proportional to 2,073.76, 2,860.32 and 1,376.08

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Solution

The fourth proportional to 2,073.76, 2,860.32 and 1,376.08 is: 1,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.76 : 2,860.32 = 1,376.08 : x
  2. Step 2: Convert to fraction form
    2,073.76/2,860.32 = 1,376.08/x
  3. Step 3: Cross multiply
    2,073.76x = 2,860.32 × 1,376.08
  4. Step 4: Simplify right side
    2,073.76x = 3,936,029.15
  5. Step 5: Solve for x
    x = 3,936,029.15/2,073.76
  6. Step 6: Final answer
    x = 1,898.02

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1.5x scale

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.