Home / 3,460.42-4,775.43-1,888.57

Finding the Fourth Proportional to 3,460.42, 4,775.43 and 1,888.57

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Solution

The fourth proportional to 3,460.42, 4,775.43 and 1,888.57 is: 2,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.42 : 4,775.43 = 1,888.57 : x
  2. Step 2: Convert to fraction form
    3,460.42/4,775.43 = 1,888.57/x
  3. Step 3: Cross multiply
    3,460.42x = 4,775.43 × 1,888.57
  4. Step 4: Simplify right side
    3,460.42x = 9,018,733.84
  5. Step 5: Solve for x
    x = 9,018,733.84/3,460.42
  6. Step 6: Final answer
    x = 2,606.25

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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.