Home / 2,295.20-3,167.89-1,509.32

Finding the Fourth Proportional to 2,295.20, 3,167.89 and 1,509.32

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Solution

The fourth proportional to 2,295.20, 3,167.89 and 1,509.32 is: 2,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.20 : 3,167.89 = 1,509.32 : x
  2. Step 2: Convert to fraction form
    2,295.20/3,167.89 = 1,509.32/x
  3. Step 3: Cross multiply
    2,295.20x = 3,167.89 × 1,509.32
  4. Step 4: Simplify right side
    2,295.20x = 4,781,352.19
  5. Step 5: Solve for x
    x = 4,781,352.19/2,295.20
  6. Step 6: Final answer
    x = 2,083.20

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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.