Home / 1,937.91-2,674.34-1,053.72

Finding the Fourth Proportional to 1,937.91, 2,674.34 and 1,053.72

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Solution

The fourth proportional to 1,937.91, 2,674.34 and 1,053.72 is: 1,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.91 : 2,674.34 = 1,053.72 : x
  2. Step 2: Convert to fraction form
    1,937.91/2,674.34 = 1,053.72/x
  3. Step 3: Cross multiply
    1,937.91x = 2,674.34 × 1,053.72
  4. Step 4: Simplify right side
    1,937.91x = 2,818,000.28
  5. Step 5: Solve for x
    x = 2,818,000.28/1,937.91
  6. Step 6: Final answer
    x = 1,454.14

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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.