Home / 2,809.02-4,215.43-1,165.58

Finding the Fourth Proportional to 2,809.02, 4,215.43 and 1,165.58

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Solution

The fourth proportional to 2,809.02, 4,215.43 and 1,165.58 is: 1,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.02 : 4,215.43 = 1,165.58 : x
  2. Step 2: Convert to fraction form
    2,809.02/4,215.43 = 1,165.58/x
  3. Step 3: Cross multiply
    2,809.02x = 4,215.43 × 1,165.58
  4. Step 4: Simplify right side
    2,809.02x = 4,913,420.90
  5. Step 5: Solve for x
    x = 4,913,420.90/2,809.02
  6. Step 6: Final answer
    x = 1,749.16

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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.