Home / 2,948.56-4,069.20-1,953.16

Finding the Fourth Proportional to 2,948.56, 4,069.20 and 1,953.16

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Solution

The fourth proportional to 2,948.56, 4,069.20 and 1,953.16 is: 2,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.56 : 4,069.20 = 1,953.16 : x
  2. Step 2: Convert to fraction form
    2,948.56/4,069.20 = 1,953.16/x
  3. Step 3: Cross multiply
    2,948.56x = 4,069.20 × 1,953.16
  4. Step 4: Simplify right side
    2,948.56x = 7,947,798.67
  5. Step 5: Solve for x
    x = 7,947,798.67/2,948.56
  6. Step 6: Final answer
    x = 2,695.48

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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.