Home / 2,507.02-3,459.69-1,372.70

Finding the Fourth Proportional to 2,507.02, 3,459.69 and 1,372.70

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Solution

The fourth proportional to 2,507.02, 3,459.69 and 1,372.70 is: 1,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.02 : 3,459.69 = 1,372.70 : x
  2. Step 2: Convert to fraction form
    2,507.02/3,459.69 = 1,372.70/x
  3. Step 3: Cross multiply
    2,507.02x = 3,459.69 × 1,372.70
  4. Step 4: Simplify right side
    2,507.02x = 4,749,125.11
  5. Step 5: Solve for x
    x = 4,749,125.11/2,507.02
  6. Step 6: Final answer
    x = 1,894.33

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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.