Home / 2,865.10-4,298.46-1,110.64

Finding the Fourth Proportional to 2,865.10, 4,298.46 and 1,110.64

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Solution

The fourth proportional to 2,865.10, 4,298.46 and 1,110.64 is: 1,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.10 : 4,298.46 = 1,110.64 : x
  2. Step 2: Convert to fraction form
    2,865.10/4,298.46 = 1,110.64/x
  3. Step 3: Cross multiply
    2,865.10x = 4,298.46 × 1,110.64
  4. Step 4: Simplify right side
    2,865.10x = 4,774,041.61
  5. Step 5: Solve for x
    x = 4,774,041.61/2,865.10
  6. Step 6: Final answer
    x = 1,666.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.