Home / 1,890.02-2,846.18-1,649.45

Finding the Fourth Proportional to 1,890.02, 2,846.18 and 1,649.45

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Solution

The fourth proportional to 1,890.02, 2,846.18 and 1,649.45 is: 2,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.02 : 2,846.18 = 1,649.45 : x
  2. Step 2: Convert to fraction form
    1,890.02/2,846.18 = 1,649.45/x
  3. Step 3: Cross multiply
    1,890.02x = 2,846.18 × 1,649.45
  4. Step 4: Simplify right side
    1,890.02x = 4,694,609.12
  5. Step 5: Solve for x
    x = 4,694,609.12/1,890.02
  6. Step 6: Final answer
    x = 2,483.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.