Home / 2,184.91-3,013.23-1,429.11

Finding the Fourth Proportional to 2,184.91, 3,013.23 and 1,429.11

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Solution

The fourth proportional to 2,184.91, 3,013.23 and 1,429.11 is: 1,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.91 : 3,013.23 = 1,429.11 : x
  2. Step 2: Convert to fraction form
    2,184.91/3,013.23 = 1,429.11/x
  3. Step 3: Cross multiply
    2,184.91x = 3,013.23 × 1,429.11
  4. Step 4: Simplify right side
    2,184.91x = 4,306,248.84
  5. Step 5: Solve for x
    x = 4,306,248.84/2,184.91
  6. Step 6: Final answer
    x = 1,970.91

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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.