Home / 1,440.36-2,156.43-1,095.10

Finding the Fourth Proportional to 1,440.36, 2,156.43 and 1,095.10

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Solution

The fourth proportional to 1,440.36, 2,156.43 and 1,095.10 is: 1,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.36 : 2,156.43 = 1,095.10 : x
  2. Step 2: Convert to fraction form
    1,440.36/2,156.43 = 1,095.10/x
  3. Step 3: Cross multiply
    1,440.36x = 2,156.43 × 1,095.10
  4. Step 4: Simplify right side
    1,440.36x = 2,361,506.49
  5. Step 5: Solve for x
    x = 2,361,506.49/1,440.36
  6. Step 6: Final answer
    x = 1,639.53

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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.