Home / 1,937.30-2,901.90-1,070.60

Finding the Fourth Proportional to 1,937.30, 2,901.90 and 1,070.60

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Solution

The fourth proportional to 1,937.30, 2,901.90 and 1,070.60 is: 1,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.30 : 2,901.90 = 1,070.60 : x
  2. Step 2: Convert to fraction form
    1,937.30/2,901.90 = 1,070.60/x
  3. Step 3: Cross multiply
    1,937.30x = 2,901.90 × 1,070.60
  4. Step 4: Simplify right side
    1,937.30x = 3,106,774.14
  5. Step 5: Solve for x
    x = 3,106,774.14/1,937.30
  6. Step 6: Final answer
    x = 1,603.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.