Home / 3,387.32-4,674.17-1,970.93

Finding the Fourth Proportional to 3,387.32, 4,674.17 and 1,970.93

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Solution

The fourth proportional to 3,387.32, 4,674.17 and 1,970.93 is: 2,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.32 : 4,674.17 = 1,970.93 : x
  2. Step 2: Convert to fraction form
    3,387.32/4,674.17 = 1,970.93/x
  3. Step 3: Cross multiply
    3,387.32x = 4,674.17 × 1,970.93
  4. Step 4: Simplify right side
    3,387.32x = 9,212,478.49
  5. Step 5: Solve for x
    x = 9,212,478.49/3,387.32
  6. Step 6: Final answer
    x = 2,719.70

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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.