Home / 3,275.74-4,518.80-1,948.50

Finding the Fourth Proportional to 3,275.74, 4,518.80 and 1,948.50

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Solution

The fourth proportional to 3,275.74, 4,518.80 and 1,948.50 is: 2,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.74 : 4,518.80 = 1,948.50 : x
  2. Step 2: Convert to fraction form
    3,275.74/4,518.80 = 1,948.50/x
  3. Step 3: Cross multiply
    3,275.74x = 4,518.80 × 1,948.50
  4. Step 4: Simplify right side
    3,275.74x = 8,804,881.80
  5. Step 5: Solve for x
    x = 8,804,881.80/3,275.74
  6. Step 6: Final answer
    x = 2,687.91

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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.