Home / 1,254.77-1,872.99-1,162.13

Finding the Fourth Proportional to 1,254.77, 1,872.99 and 1,162.13

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Solution

The fourth proportional to 1,254.77, 1,872.99 and 1,162.13 is: 1,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.77 : 1,872.99 = 1,162.13 : x
  2. Step 2: Convert to fraction form
    1,254.77/1,872.99 = 1,162.13/x
  3. Step 3: Cross multiply
    1,254.77x = 1,872.99 × 1,162.13
  4. Step 4: Simplify right side
    1,254.77x = 2,176,648.50
  5. Step 5: Solve for x
    x = 2,176,648.50/1,254.77
  6. Step 6: Final answer
    x = 1,734.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.