Home / 3,214.02-4,435.40-1,955.13

Finding the Fourth Proportional to 3,214.02, 4,435.40 and 1,955.13

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Solution

The fourth proportional to 3,214.02, 4,435.40 and 1,955.13 is: 2,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.02 : 4,435.40 = 1,955.13 : x
  2. Step 2: Convert to fraction form
    3,214.02/4,435.40 = 1,955.13/x
  3. Step 3: Cross multiply
    3,214.02x = 4,435.40 × 1,955.13
  4. Step 4: Simplify right side
    3,214.02x = 8,671,788.49
  5. Step 5: Solve for x
    x = 8,671,788.49/3,214.02
  6. Step 6: Final answer
    x = 2,698.11

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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.