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Finding the Fourth Proportional to 1,598.84, 2,395.80 and 1,020.50

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Solution

The fourth proportional to 1,598.84, 2,395.80 and 1,020.50 is: 1,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.84 : 2,395.80 = 1,020.50 : x
  2. Step 2: Convert to fraction form
    1,598.84/2,395.80 = 1,020.50/x
  3. Step 3: Cross multiply
    1,598.84x = 2,395.80 × 1,020.50
  4. Step 4: Simplify right side
    1,598.84x = 2,444,913.90
  5. Step 5: Solve for x
    x = 2,444,913.90/1,598.84
  6. Step 6: Final answer
    x = 1,529.18

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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.