Home / 3,437.79-5,145.27-3,130.35

Finding the Fourth Proportional to 3,437.79, 5,145.27 and 3,130.35

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Solution

The fourth proportional to 3,437.79, 5,145.27 and 3,130.35 is: 4,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.79 : 5,145.27 = 3,130.35 : x
  2. Step 2: Convert to fraction form
    3,437.79/5,145.27 = 3,130.35/x
  3. Step 3: Cross multiply
    3,437.79x = 5,145.27 × 3,130.35
  4. Step 4: Simplify right side
    3,437.79x = 16,106,495.94
  5. Step 5: Solve for x
    x = 16,106,495.94/3,437.79
  6. Step 6: Final answer
    x = 4,685.13

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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.