Home / 2,612.53-3,605.03-1,617.45

Finding the Fourth Proportional to 2,612.53, 3,605.03 and 1,617.45

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Solution

The fourth proportional to 2,612.53, 3,605.03 and 1,617.45 is: 2,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.53 : 3,605.03 = 1,617.45 : x
  2. Step 2: Convert to fraction form
    2,612.53/3,605.03 = 1,617.45/x
  3. Step 3: Cross multiply
    2,612.53x = 3,605.03 × 1,617.45
  4. Step 4: Simplify right side
    2,612.53x = 5,830,955.77
  5. Step 5: Solve for x
    x = 5,830,955.77/2,612.53
  6. Step 6: Final answer
    x = 2,231.92

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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.