Home / 2,866.10-4,298.47-1,110.20

Finding the Fourth Proportional to 2,866.10, 4,298.47 and 1,110.20

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Solution

The fourth proportional to 2,866.10, 4,298.47 and 1,110.20 is: 1,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.10 : 4,298.47 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    2,866.10/4,298.47 = 1,110.20/x
  3. Step 3: Cross multiply
    2,866.10x = 4,298.47 × 1,110.20
  4. Step 4: Simplify right side
    2,866.10x = 4,772,137.13
  5. Step 5: Solve for x
    x = 4,772,137.13/2,866.10
  6. Step 6: Final answer
    x = 1,665.03

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1.5x scale

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.