Home / 1,603.24-2,210.90-973.86

Finding the Fourth Proportional to 1,603.24, 2,210.90 and 973.86

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Solution

The fourth proportional to 1,603.24, 2,210.90 and 973.86 is: 1,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.24 : 2,210.90 = 973.86 : x
  2. Step 2: Convert to fraction form
    1,603.24/2,210.90 = 973.86/x
  3. Step 3: Cross multiply
    1,603.24x = 2,210.90 × 973.86
  4. Step 4: Simplify right side
    1,603.24x = 2,153,107.07
  5. Step 5: Solve for x
    x = 2,153,107.07/1,603.24
  6. Step 6: Final answer
    x = 1,342.97

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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.