Home / 1,937.30-2,671.63-1,307.93

Finding the Fourth Proportional to 1,937.30, 2,671.63 and 1,307.93

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Solution

The fourth proportional to 1,937.30, 2,671.63 and 1,307.93 is: 1,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.30 : 2,671.63 = 1,307.93 : x
  2. Step 2: Convert to fraction form
    1,937.30/2,671.63 = 1,307.93/x
  3. Step 3: Cross multiply
    1,937.30x = 2,671.63 × 1,307.93
  4. Step 4: Simplify right side
    1,937.30x = 3,494,288.40
  5. Step 5: Solve for x
    x = 3,494,288.40/1,937.30
  6. Step 6: Final answer
    x = 1,803.69

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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.