Home / 2,165.02-2,984.70-1,455.62

Finding the Fourth Proportional to 2,165.02, 2,984.70 and 1,455.62

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Solution

The fourth proportional to 2,165.02, 2,984.70 and 1,455.62 is: 2,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.02 : 2,984.70 = 1,455.62 : x
  2. Step 2: Convert to fraction form
    2,165.02/2,984.70 = 1,455.62/x
  3. Step 3: Cross multiply
    2,165.02x = 2,984.70 × 1,455.62
  4. Step 4: Simplify right side
    2,165.02x = 4,344,589.01
  5. Step 5: Solve for x
    x = 4,344,589.01/2,165.02
  6. Step 6: Final answer
    x = 2,006.72

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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.