Home / 2,603.28-3,901.84-1,507.20

Finding the Fourth Proportional to 2,603.28, 3,901.84 and 1,507.20

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Solution

The fourth proportional to 2,603.28, 3,901.84 and 1,507.20 is: 2,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.28 : 3,901.84 = 1,507.20 : x
  2. Step 2: Convert to fraction form
    2,603.28/3,901.84 = 1,507.20/x
  3. Step 3: Cross multiply
    2,603.28x = 3,901.84 × 1,507.20
  4. Step 4: Simplify right side
    2,603.28x = 5,880,853.25
  5. Step 5: Solve for x
    x = 5,880,853.25/2,603.28
  6. Step 6: Final answer
    x = 2,259.02

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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.