Home / 2,386.16-3,292.71-1,377.13

Finding the Fourth Proportional to 2,386.16, 3,292.71 and 1,377.13

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Solution

The fourth proportional to 2,386.16, 3,292.71 and 1,377.13 is: 1,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.16 : 3,292.71 = 1,377.13 : x
  2. Step 2: Convert to fraction form
    2,386.16/3,292.71 = 1,377.13/x
  3. Step 3: Cross multiply
    2,386.16x = 3,292.71 × 1,377.13
  4. Step 4: Simplify right side
    2,386.16x = 4,534,493.84
  5. Step 5: Solve for x
    x = 4,534,493.84/2,386.16
  6. Step 6: Final answer
    x = 1,900.33

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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.