Home / 2,392.30-3,300.60-1,397.08

Finding the Fourth Proportional to 2,392.30, 3,300.60 and 1,397.08

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Solution

The fourth proportional to 2,392.30, 3,300.60 and 1,397.08 is: 1,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.30 : 3,300.60 = 1,397.08 : x
  2. Step 2: Convert to fraction form
    2,392.30/3,300.60 = 1,397.08/x
  3. Step 3: Cross multiply
    2,392.30x = 3,300.60 × 1,397.08
  4. Step 4: Simplify right side
    2,392.30x = 4,611,202.25
  5. Step 5: Solve for x
    x = 4,611,202.25/2,392.30
  6. Step 6: Final answer
    x = 1,927.52

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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.