Home / 3,695.49-5,095.44-3,030.21

Finding the Fourth Proportional to 3,695.49, 5,095.44 and 3,030.21

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Solution

The fourth proportional to 3,695.49, 5,095.44 and 3,030.21 is: 4,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.49 : 5,095.44 = 3,030.21 : x
  2. Step 2: Convert to fraction form
    3,695.49/5,095.44 = 3,030.21/x
  3. Step 3: Cross multiply
    3,695.49x = 5,095.44 × 3,030.21
  4. Step 4: Simplify right side
    3,695.49x = 15,440,253.24
  5. Step 5: Solve for x
    x = 15,440,253.24/3,695.49
  6. Step 6: Final answer
    x = 4,178.13

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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.