Home / 2,746.08-3,788.16-1,803.42

Finding the Fourth Proportional to 2,746.08, 3,788.16 and 1,803.42

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Solution

The fourth proportional to 2,746.08, 3,788.16 and 1,803.42 is: 2,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.08 : 3,788.16 = 1,803.42 : x
  2. Step 2: Convert to fraction form
    2,746.08/3,788.16 = 1,803.42/x
  3. Step 3: Cross multiply
    2,746.08x = 3,788.16 × 1,803.42
  4. Step 4: Simplify right side
    2,746.08x = 6,831,643.51
  5. Step 5: Solve for x
    x = 6,831,643.51/2,746.08
  6. Step 6: Final answer
    x = 2,487.78

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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.