Home / 2,148.12-2,964.60-1,730.16

Finding the Fourth Proportional to 2,148.12, 2,964.60 and 1,730.16

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Solution

The fourth proportional to 2,148.12, 2,964.60 and 1,730.16 is: 2,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.12 : 2,964.60 = 1,730.16 : x
  2. Step 2: Convert to fraction form
    2,148.12/2,964.60 = 1,730.16/x
  3. Step 3: Cross multiply
    2,148.12x = 2,964.60 × 1,730.16
  4. Step 4: Simplify right side
    2,148.12x = 5,129,232.34
  5. Step 5: Solve for x
    x = 5,129,232.34/2,148.12
  6. Step 6: Final answer
    x = 2,387.78

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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.