Home / 1,677.02-2,312.76-1,047.60

Finding the Fourth Proportional to 1,677.02, 2,312.76 and 1,047.60

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Solution

The fourth proportional to 1,677.02, 2,312.76 and 1,047.60 is: 1,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.02 : 2,312.76 = 1,047.60 : x
  2. Step 2: Convert to fraction form
    1,677.02/2,312.76 = 1,047.60/x
  3. Step 3: Cross multiply
    1,677.02x = 2,312.76 × 1,047.60
  4. Step 4: Simplify right side
    1,677.02x = 2,422,847.38
  5. Step 5: Solve for x
    x = 2,422,847.38/1,677.02
  6. Step 6: Final answer
    x = 1,444.73

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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.