Home / 2,934.06-4,048.80-1,607.76

Finding the Fourth Proportional to 2,934.06, 4,048.80 and 1,607.76

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Solution

The fourth proportional to 2,934.06, 4,048.80 and 1,607.76 is: 2,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.06 : 4,048.80 = 1,607.76 : x
  2. Step 2: Convert to fraction form
    2,934.06/4,048.80 = 1,607.76/x
  3. Step 3: Cross multiply
    2,934.06x = 4,048.80 × 1,607.76
  4. Step 4: Simplify right side
    2,934.06x = 6,509,498.69
  5. Step 5: Solve for x
    x = 6,509,498.69/2,934.06
  6. Step 6: Final answer
    x = 2,218.60

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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.