Home / 3,313.81-4,572.96-1,897.45

Finding the Fourth Proportional to 3,313.81, 4,572.96 and 1,897.45

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Solution

The fourth proportional to 3,313.81, 4,572.96 and 1,897.45 is: 2,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.81 : 4,572.96 = 1,897.45 : x
  2. Step 2: Convert to fraction form
    3,313.81/4,572.96 = 1,897.45/x
  3. Step 3: Cross multiply
    3,313.81x = 4,572.96 × 1,897.45
  4. Step 4: Simplify right side
    3,313.81x = 8,676,981.50
  5. Step 5: Solve for x
    x = 8,676,981.50/3,313.81
  6. Step 6: Final answer
    x = 2,618.43

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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.