Home / 2,712.02-3,741.15-1,715.57

Finding the Fourth Proportional to 2,712.02, 3,741.15 and 1,715.57

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Solution

The fourth proportional to 2,712.02, 3,741.15 and 1,715.57 is: 2,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.02 : 3,741.15 = 1,715.57 : x
  2. Step 2: Convert to fraction form
    2,712.02/3,741.15 = 1,715.57/x
  3. Step 3: Cross multiply
    2,712.02x = 3,741.15 × 1,715.57
  4. Step 4: Simplify right side
    2,712.02x = 6,418,186.00
  5. Step 5: Solve for x
    x = 6,418,186.00/2,712.02
  6. Step 6: Final answer
    x = 2,366.57

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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.