Home / 1,396.17-2,095.20-530.46

Finding the Fourth Proportional to 1,396.17, 2,095.20 and 530.46

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Solution

The fourth proportional to 1,396.17, 2,095.20 and 530.46 is: 796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.17 : 2,095.20 = 530.46 : x
  2. Step 2: Convert to fraction form
    1,396.17/2,095.20 = 530.46/x
  3. Step 3: Cross multiply
    1,396.17x = 2,095.20 × 530.46
  4. Step 4: Simplify right side
    1,396.17x = 1,111,419.79
  5. Step 5: Solve for x
    x = 1,111,419.79/1,396.17
  6. Step 6: Final answer
    x = 796.05

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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.