Home / 3,498.12-5,248.13-1,307.07

Finding the Fourth Proportional to 3,498.12, 5,248.13 and 1,307.07

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Solution

The fourth proportional to 3,498.12, 5,248.13 and 1,307.07 is: 1,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.12 : 5,248.13 = 1,307.07 : x
  2. Step 2: Convert to fraction form
    3,498.12/5,248.13 = 1,307.07/x
  3. Step 3: Cross multiply
    3,498.12x = 5,248.13 × 1,307.07
  4. Step 4: Simplify right side
    3,498.12x = 6,859,666.74
  5. Step 5: Solve for x
    x = 6,859,666.74/3,498.12
  6. Step 6: Final answer
    x = 1,960.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.