Home / 1,817.18-2,507.46-1,009.62

Finding the Fourth Proportional to 1,817.18, 2,507.46 and 1,009.62

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Solution

The fourth proportional to 1,817.18, 2,507.46 and 1,009.62 is: 1,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.18 : 2,507.46 = 1,009.62 : x
  2. Step 2: Convert to fraction form
    1,817.18/2,507.46 = 1,009.62/x
  3. Step 3: Cross multiply
    1,817.18x = 2,507.46 × 1,009.62
  4. Step 4: Simplify right side
    1,817.18x = 2,531,581.77
  5. Step 5: Solve for x
    x = 2,531,581.77/1,817.18
  6. Step 6: Final answer
    x = 1,393.14

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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.