Home / 2,420.10-3,340.02-1,476.48

Finding the Fourth Proportional to 2,420.10, 3,340.02 and 1,476.48

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Solution

The fourth proportional to 2,420.10, 3,340.02 and 1,476.48 is: 2,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.10 : 3,340.02 = 1,476.48 : x
  2. Step 2: Convert to fraction form
    2,420.10/3,340.02 = 1,476.48/x
  3. Step 3: Cross multiply
    2,420.10x = 3,340.02 × 1,476.48
  4. Step 4: Simplify right side
    2,420.10x = 4,931,472.73
  5. Step 5: Solve for x
    x = 4,931,472.73/2,420.10
  6. Step 6: Final answer
    x = 2,037.71

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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.