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Finding the Fourth Proportional to 1,817.76, 2,510.88 and 1,469.76

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Solution

The fourth proportional to 1,817.76, 2,510.88 and 1,469.76 is: 2,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.76 : 2,510.88 = 1,469.76 : x
  2. Step 2: Convert to fraction form
    1,817.76/2,510.88 = 1,469.76/x
  3. Step 3: Cross multiply
    1,817.76x = 2,510.88 × 1,469.76
  4. Step 4: Simplify right side
    1,817.76x = 3,690,390.99
  5. Step 5: Solve for x
    x = 3,690,390.99/1,817.76
  6. Step 6: Final answer
    x = 2,030.19

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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.