Home / 1,603.27-2,404.09-1,140.76

Finding the Fourth Proportional to 1,603.27, 2,404.09 and 1,140.76

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Solution

The fourth proportional to 1,603.27, 2,404.09 and 1,140.76 is: 1,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.27 : 2,404.09 = 1,140.76 : x
  2. Step 2: Convert to fraction form
    1,603.27/2,404.09 = 1,140.76/x
  3. Step 3: Cross multiply
    1,603.27x = 2,404.09 × 1,140.76
  4. Step 4: Simplify right side
    1,603.27x = 2,742,489.71
  5. Step 5: Solve for x
    x = 2,742,489.71/1,603.27
  6. Step 6: Final answer
    x = 1,710.56

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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.