Home / 2,471.24-3,415.02-1,880.66

Finding the Fourth Proportional to 2,471.24, 3,415.02 and 1,880.66

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Solution

The fourth proportional to 2,471.24, 3,415.02 and 1,880.66 is: 2,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.24 : 3,415.02 = 1,880.66 : x
  2. Step 2: Convert to fraction form
    2,471.24/3,415.02 = 1,880.66/x
  3. Step 3: Cross multiply
    2,471.24x = 3,415.02 × 1,880.66
  4. Step 4: Simplify right side
    2,471.24x = 6,422,491.51
  5. Step 5: Solve for x
    x = 6,422,491.51/2,471.24
  6. Step 6: Final answer
    x = 2,598.89

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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.