Home / 1,937.20-2,672.35-1,306.93

Finding the Fourth Proportional to 1,937.20, 2,672.35 and 1,306.93

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Solution

The fourth proportional to 1,937.20, 2,672.35 and 1,306.93 is: 1,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.20 : 2,672.35 = 1,306.93 : x
  2. Step 2: Convert to fraction form
    1,937.20/2,672.35 = 1,306.93/x
  3. Step 3: Cross multiply
    1,937.20x = 2,672.35 × 1,306.93
  4. Step 4: Simplify right side
    1,937.20x = 3,492,574.39
  5. Step 5: Solve for x
    x = 3,492,574.39/1,937.20
  6. Step 6: Final answer
    x = 1,802.90

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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.