Home / 2,491.31-3,435.95-1,652.23

Finding the Fourth Proportional to 2,491.31, 3,435.95 and 1,652.23

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Solution

The fourth proportional to 2,491.31, 3,435.95 and 1,652.23 is: 2,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.31 : 3,435.95 = 1,652.23 : x
  2. Step 2: Convert to fraction form
    2,491.31/3,435.95 = 1,652.23/x
  3. Step 3: Cross multiply
    2,491.31x = 3,435.95 × 1,652.23
  4. Step 4: Simplify right side
    2,491.31x = 5,676,968.77
  5. Step 5: Solve for x
    x = 5,676,968.77/2,491.31
  6. Step 6: Final answer
    x = 2,278.71

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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.