Home / 2,615.28-3,603.77-2,430.74

Finding the Fourth Proportional to 2,615.28, 3,603.77 and 2,430.74

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Solution

The fourth proportional to 2,615.28, 3,603.77 and 2,430.74 is: 3,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.28 : 3,603.77 = 2,430.74 : x
  2. Step 2: Convert to fraction form
    2,615.28/3,603.77 = 2,430.74/x
  3. Step 3: Cross multiply
    2,615.28x = 3,603.77 × 2,430.74
  4. Step 4: Simplify right side
    2,615.28x = 8,759,797.72
  5. Step 5: Solve for x
    x = 8,759,797.72/2,615.28
  6. Step 6: Final answer
    x = 3,349.47

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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.