Home / 3,417.98-4,719.12-2,619.88

Finding the Fourth Proportional to 3,417.98, 4,719.12 and 2,619.88

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Solution

The fourth proportional to 3,417.98, 4,719.12 and 2,619.88 is: 3,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.98 : 4,719.12 = 2,619.88 : x
  2. Step 2: Convert to fraction form
    3,417.98/4,719.12 = 2,619.88/x
  3. Step 3: Cross multiply
    3,417.98x = 4,719.12 × 2,619.88
  4. Step 4: Simplify right side
    3,417.98x = 12,363,528.11
  5. Step 5: Solve for x
    x = 12,363,528.11/3,417.98
  6. Step 6: Final answer
    x = 3,617.20

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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.