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Finding the Fourth Proportional to 1,810.37, 2,710.53 and 930.98

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Solution

The fourth proportional to 1,810.37, 2,710.53 and 930.98 is: 1,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.37 : 2,710.53 = 930.98 : x
  2. Step 2: Convert to fraction form
    1,810.37/2,710.53 = 930.98/x
  3. Step 3: Cross multiply
    1,810.37x = 2,710.53 × 930.98
  4. Step 4: Simplify right side
    1,810.37x = 2,523,435.67
  5. Step 5: Solve for x
    x = 2,523,435.67/1,810.37
  6. Step 6: Final answer
    x = 1,393.88

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1.5x scale

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.