Home / 1,864.88-2,573.57-1,025.66

Finding the Fourth Proportional to 1,864.88, 2,573.57 and 1,025.66

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Solution

The fourth proportional to 1,864.88, 2,573.57 and 1,025.66 is: 1,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.88 : 2,573.57 = 1,025.66 : x
  2. Step 2: Convert to fraction form
    1,864.88/2,573.57 = 1,025.66/x
  3. Step 3: Cross multiply
    1,864.88x = 2,573.57 × 1,025.66
  4. Step 4: Simplify right side
    1,864.88x = 2,639,607.81
  5. Step 5: Solve for x
    x = 2,639,607.81/1,864.88
  6. Step 6: Final answer
    x = 1,415.43

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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.