Home / 2,615.85-3,609.95-1,437.03

Finding the Fourth Proportional to 2,615.85, 3,609.95 and 1,437.03

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Solution

The fourth proportional to 2,615.85, 3,609.95 and 1,437.03 is: 1,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.85 : 3,609.95 = 1,437.03 : x
  2. Step 2: Convert to fraction form
    2,615.85/3,609.95 = 1,437.03/x
  3. Step 3: Cross multiply
    2,615.85x = 3,609.95 × 1,437.03
  4. Step 4: Simplify right side
    2,615.85x = 5,187,599.26
  5. Step 5: Solve for x
    x = 5,187,599.26/2,615.85
  6. Step 6: Final answer
    x = 1,983.14

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1.5x scale

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.