Home / 1,106.04-1,655.10-695.40

Finding the Fourth Proportional to 1,106.04, 1,655.10 and 695.40

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Solution

The fourth proportional to 1,106.04, 1,655.10 and 695.40 is: 1,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.04 : 1,655.10 = 695.40 : x
  2. Step 2: Convert to fraction form
    1,106.04/1,655.10 = 695.40/x
  3. Step 3: Cross multiply
    1,106.04x = 1,655.10 × 695.40
  4. Step 4: Simplify right side
    1,106.04x = 1,150,956.54
  5. Step 5: Solve for x
    x = 1,150,956.54/1,106.04
  6. Step 6: Final answer
    x = 1,040.61

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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.