Home / 2,887.01-3,984.06-1,560.71

Finding the Fourth Proportional to 2,887.01, 3,984.06 and 1,560.71

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Solution

The fourth proportional to 2,887.01, 3,984.06 and 1,560.71 is: 2,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.01 : 3,984.06 = 1,560.71 : x
  2. Step 2: Convert to fraction form
    2,887.01/3,984.06 = 1,560.71/x
  3. Step 3: Cross multiply
    2,887.01x = 3,984.06 × 1,560.71
  4. Step 4: Simplify right side
    2,887.01x = 6,217,962.28
  5. Step 5: Solve for x
    x = 6,217,962.28/2,887.01
  6. Step 6: Final answer
    x = 2,153.77

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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.