Home / 1,968.54-2,719.57-1,470.32

Finding the Fourth Proportional to 1,968.54, 2,719.57 and 1,470.32

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Solution

The fourth proportional to 1,968.54, 2,719.57 and 1,470.32 is: 2,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.54 : 2,719.57 = 1,470.32 : x
  2. Step 2: Convert to fraction form
    1,968.54/2,719.57 = 1,470.32/x
  3. Step 3: Cross multiply
    1,968.54x = 2,719.57 × 1,470.32
  4. Step 4: Simplify right side
    1,968.54x = 3,998,638.16
  5. Step 5: Solve for x
    x = 3,998,638.16/1,968.54
  6. Step 6: Final answer
    x = 2,031.27

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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.