Home / 3,363.08-4,640.56-1,870.76

Finding the Fourth Proportional to 3,363.08, 4,640.56 and 1,870.76

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Solution

The fourth proportional to 3,363.08, 4,640.56 and 1,870.76 is: 2,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.08 : 4,640.56 = 1,870.76 : x
  2. Step 2: Convert to fraction form
    3,363.08/4,640.56 = 1,870.76/x
  3. Step 3: Cross multiply
    3,363.08x = 4,640.56 × 1,870.76
  4. Step 4: Simplify right side
    3,363.08x = 8,681,374.03
  5. Step 5: Solve for x
    x = 8,681,374.03/3,363.08
  6. Step 6: Final answer
    x = 2,581.38

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Half scale
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Double scale
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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.