Home / 3,437.51-4,742.65-2,160.15

Finding the Fourth Proportional to 3,437.51, 4,742.65 and 2,160.15

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Solution

The fourth proportional to 3,437.51, 4,742.65 and 2,160.15 is: 2,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.51 : 4,742.65 = 2,160.15 : x
  2. Step 2: Convert to fraction form
    3,437.51/4,742.65 = 2,160.15/x
  3. Step 3: Cross multiply
    3,437.51x = 4,742.65 × 2,160.15
  4. Step 4: Simplify right side
    3,437.51x = 10,244,846.99
  5. Step 5: Solve for x
    x = 10,244,846.99/3,437.51
  6. Step 6: Final answer
    x = 2,980.31

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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.