Home / 1,603.14-2,210.10-1,247.96

Finding the Fourth Proportional to 1,603.14, 2,210.10 and 1,247.96

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Solution

The fourth proportional to 1,603.14, 2,210.10 and 1,247.96 is: 1,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.14 : 2,210.10 = 1,247.96 : x
  2. Step 2: Convert to fraction form
    1,603.14/2,210.10 = 1,247.96/x
  3. Step 3: Cross multiply
    1,603.14x = 2,210.10 × 1,247.96
  4. Step 4: Simplify right side
    1,603.14x = 2,758,116.40
  5. Step 5: Solve for x
    x = 2,758,116.40/1,603.14
  6. Step 6: Final answer
    x = 1,720.45

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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.