Home / 2,585.66-3,573.06-2,113.39

Finding the Fourth Proportional to 2,585.66, 3,573.06 and 2,113.39

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Solution

The fourth proportional to 2,585.66, 3,573.06 and 2,113.39 is: 2,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.66 : 3,573.06 = 2,113.39 : x
  2. Step 2: Convert to fraction form
    2,585.66/3,573.06 = 2,113.39/x
  3. Step 3: Cross multiply
    2,585.66x = 3,573.06 × 2,113.39
  4. Step 4: Simplify right side
    2,585.66x = 7,551,277.70
  5. Step 5: Solve for x
    x = 7,551,277.70/2,585.66
  6. Step 6: Final answer
    x = 2,920.45

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Half scale
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Double scale
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Similar ratio
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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.