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Finding the Fourth Proportional to 1,598.98, 2,206.06 and 969.70

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Solution

The fourth proportional to 1,598.98, 2,206.06 and 969.70 is: 1,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.98 : 2,206.06 = 969.70 : x
  2. Step 2: Convert to fraction form
    1,598.98/2,206.06 = 969.70/x
  3. Step 3: Cross multiply
    1,598.98x = 2,206.06 × 969.70
  4. Step 4: Simplify right side
    1,598.98x = 2,139,216.38
  5. Step 5: Solve for x
    x = 2,139,216.38/1,598.98
  6. Step 6: Final answer
    x = 1,337.86

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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.