Home / 3,445.47-5,165.10-1,364.45

Finding the Fourth Proportional to 3,445.47, 5,165.10 and 1,364.45

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Solution

The fourth proportional to 3,445.47, 5,165.10 and 1,364.45 is: 2,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.47 : 5,165.10 = 1,364.45 : x
  2. Step 2: Convert to fraction form
    3,445.47/5,165.10 = 1,364.45/x
  3. Step 3: Cross multiply
    3,445.47x = 5,165.10 × 1,364.45
  4. Step 4: Simplify right side
    3,445.47x = 7,047,494.87
  5. Step 5: Solve for x
    x = 7,047,494.87/3,445.47
  6. Step 6: Final answer
    x = 2,045.44

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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.