Home / 2,319.02-3,461.68-2,147.70

Finding the Fourth Proportional to 2,319.02, 3,461.68 and 2,147.70

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Solution

The fourth proportional to 2,319.02, 3,461.68 and 2,147.70 is: 3,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.02 : 3,461.68 = 2,147.70 : x
  2. Step 2: Convert to fraction form
    2,319.02/3,461.68 = 2,147.70/x
  3. Step 3: Cross multiply
    2,319.02x = 3,461.68 × 2,147.70
  4. Step 4: Simplify right side
    2,319.02x = 7,434,639.40
  5. Step 5: Solve for x
    x = 7,434,639.40/2,319.02
  6. Step 6: Final answer
    x = 3,205.95

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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.