Home / 3,681.18-5,486.85-3,400.29

Finding the Fourth Proportional to 3,681.18, 5,486.85 and 3,400.29

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Solution

The fourth proportional to 3,681.18, 5,486.85 and 3,400.29 is: 5,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.18 : 5,486.85 = 3,400.29 : x
  2. Step 2: Convert to fraction form
    3,681.18/5,486.85 = 3,400.29/x
  3. Step 3: Cross multiply
    3,681.18x = 5,486.85 × 3,400.29
  4. Step 4: Simplify right side
    3,681.18x = 18,656,881.19
  5. Step 5: Solve for x
    x = 18,656,881.19/3,681.18
  6. Step 6: Final answer
    x = 5,068.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.