Home / 4,210.78-5,810.82-2,347.78

Finding the Fourth Proportional to 4,210.78, 5,810.82 and 2,347.78

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Solution

The fourth proportional to 4,210.78, 5,810.82 and 2,347.78 is: 3,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.78 : 5,810.82 = 2,347.78 : x
  2. Step 2: Convert to fraction form
    4,210.78/5,810.82 = 2,347.78/x
  3. Step 3: Cross multiply
    4,210.78x = 5,810.82 × 2,347.78
  4. Step 4: Simplify right side
    4,210.78x = 13,642,526.98
  5. Step 5: Solve for x
    x = 13,642,526.98/4,210.78
  6. Step 6: Final answer
    x = 3,239.90

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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.