Home / 2,376.92-3,275.26-2,140.40

Finding the Fourth Proportional to 2,376.92, 3,275.26 and 2,140.40

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Solution

The fourth proportional to 2,376.92, 3,275.26 and 2,140.40 is: 2,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.92 : 3,275.26 = 2,140.40 : x
  2. Step 2: Convert to fraction form
    2,376.92/3,275.26 = 2,140.40/x
  3. Step 3: Cross multiply
    2,376.92x = 3,275.26 × 2,140.40
  4. Step 4: Simplify right side
    2,376.92x = 7,010,366.50
  5. Step 5: Solve for x
    x = 7,010,366.50/2,376.92
  6. Step 6: Final answer
    x = 2,949.35

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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.