Home / 3,612.13-5,417.36-1,146.49

Finding the Fourth Proportional to 3,612.13, 5,417.36 and 1,146.49

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Solution

The fourth proportional to 3,612.13, 5,417.36 and 1,146.49 is: 1,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.13 : 5,417.36 = 1,146.49 : x
  2. Step 2: Convert to fraction form
    3,612.13/5,417.36 = 1,146.49/x
  3. Step 3: Cross multiply
    3,612.13x = 5,417.36 × 1,146.49
  4. Step 4: Simplify right side
    3,612.13x = 6,210,916.25
  5. Step 5: Solve for x
    x = 6,210,916.25/3,612.13
  6. Step 6: Final answer
    x = 1,719.46

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.