Home / 3,263.61-4,897.31-1,315.29

Finding the Fourth Proportional to 3,263.61, 4,897.31 and 1,315.29

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Solution

The fourth proportional to 3,263.61, 4,897.31 and 1,315.29 is: 1,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.61 : 4,897.31 = 1,315.29 : x
  2. Step 2: Convert to fraction form
    3,263.61/4,897.31 = 1,315.29/x
  3. Step 3: Cross multiply
    3,263.61x = 4,897.31 × 1,315.29
  4. Step 4: Simplify right side
    3,263.61x = 6,441,376.29
  5. Step 5: Solve for x
    x = 6,441,376.29/3,263.61
  6. Step 6: Final answer
    x = 1,973.70

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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.