Home / 2,886.64-3,983.55-1,560.33

Finding the Fourth Proportional to 2,886.64, 3,983.55 and 1,560.33

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Solution

The fourth proportional to 2,886.64, 3,983.55 and 1,560.33 is: 2,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.64 : 3,983.55 = 1,560.33 : x
  2. Step 2: Convert to fraction form
    2,886.64/3,983.55 = 1,560.33/x
  3. Step 3: Cross multiply
    2,886.64x = 3,983.55 × 1,560.33
  4. Step 4: Simplify right side
    2,886.64x = 6,215,646.72
  5. Step 5: Solve for x
    x = 6,215,646.72/2,886.64
  6. Step 6: Final answer
    x = 2,153.25

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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.