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Finding the Fourth Proportional to 1,606.60, 2,411.70 and 957.70

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Solution

The fourth proportional to 1,606.60, 2,411.70 and 957.70 is: 1,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.60 : 2,411.70 = 957.70 : x
  2. Step 2: Convert to fraction form
    1,606.60/2,411.70 = 957.70/x
  3. Step 3: Cross multiply
    1,606.60x = 2,411.70 × 957.70
  4. Step 4: Simplify right side
    1,606.60x = 2,309,685.09
  5. Step 5: Solve for x
    x = 2,309,685.09/1,606.60
  6. Step 6: Final answer
    x = 1,437.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.