Home / 1,655.13-2,284.12-1,025.76

Finding the Fourth Proportional to 1,655.13, 2,284.12 and 1,025.76

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Solution

The fourth proportional to 1,655.13, 2,284.12 and 1,025.76 is: 1,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.13 : 2,284.12 = 1,025.76 : x
  2. Step 2: Convert to fraction form
    1,655.13/2,284.12 = 1,025.76/x
  3. Step 3: Cross multiply
    1,655.13x = 2,284.12 × 1,025.76
  4. Step 4: Simplify right side
    1,655.13x = 2,342,958.93
  5. Step 5: Solve for x
    x = 2,342,958.93/1,655.13
  6. Step 6: Final answer
    x = 1,415.57

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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.