Home / 2,506.63-3,459.09-1,387.50

Finding the Fourth Proportional to 2,506.63, 3,459.09 and 1,387.50

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Solution

The fourth proportional to 2,506.63, 3,459.09 and 1,387.50 is: 1,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.63 : 3,459.09 = 1,387.50 : x
  2. Step 2: Convert to fraction form
    2,506.63/3,459.09 = 1,387.50/x
  3. Step 3: Cross multiply
    2,506.63x = 3,459.09 × 1,387.50
  4. Step 4: Simplify right side
    2,506.63x = 4,799,486.09
  5. Step 5: Solve for x
    x = 4,799,486.09/2,506.63
  6. Step 6: Final answer
    x = 1,914.72

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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.