Home / 2,886.59-3,983.51-1,560.31

Finding the Fourth Proportional to 2,886.59, 3,983.51 and 1,560.31

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Solution

The fourth proportional to 2,886.59, 3,983.51 and 1,560.31 is: 2,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.59 : 3,983.51 = 1,560.31 : x
  2. Step 2: Convert to fraction form
    2,886.59/3,983.51 = 1,560.31/x
  3. Step 3: Cross multiply
    2,886.59x = 3,983.51 × 1,560.31
  4. Step 4: Simplify right side
    2,886.59x = 6,215,498.34
  5. Step 5: Solve for x
    x = 6,215,498.34/2,886.59
  6. Step 6: Final answer
    x = 2,153.23

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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.