Home / 3,890.16-5,368.48-2,397.23

Finding the Fourth Proportional to 3,890.16, 5,368.48 and 2,397.23

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Solution

The fourth proportional to 3,890.16, 5,368.48 and 2,397.23 is: 3,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.16 : 5,368.48 = 2,397.23 : x
  2. Step 2: Convert to fraction form
    3,890.16/5,368.48 = 2,397.23/x
  3. Step 3: Cross multiply
    3,890.16x = 5,368.48 × 2,397.23
  4. Step 4: Simplify right side
    3,890.16x = 12,869,468.61
  5. Step 5: Solve for x
    x = 12,869,468.61/3,890.16
  6. Step 6: Final answer
    x = 3,308.21

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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.