Home / 3,118.74-4,649.36-2,962.92

Finding the Fourth Proportional to 3,118.74, 4,649.36 and 2,962.92

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Solution

The fourth proportional to 3,118.74, 4,649.36 and 2,962.92 is: 4,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.74 : 4,649.36 = 2,962.92 : x
  2. Step 2: Convert to fraction form
    3,118.74/4,649.36 = 2,962.92/x
  3. Step 3: Cross multiply
    3,118.74x = 4,649.36 × 2,962.92
  4. Step 4: Simplify right side
    3,118.74x = 13,775,681.73
  5. Step 5: Solve for x
    x = 13,775,681.73/3,118.74
  6. Step 6: Final answer
    x = 4,417.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.