Home / 1,673.61-2,510.25-1,312.75

Finding the Fourth Proportional to 1,673.61, 2,510.25 and 1,312.75

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Solution

The fourth proportional to 1,673.61, 2,510.25 and 1,312.75 is: 1,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.61 : 2,510.25 = 1,312.75 : x
  2. Step 2: Convert to fraction form
    1,673.61/2,510.25 = 1,312.75/x
  3. Step 3: Cross multiply
    1,673.61x = 2,510.25 × 1,312.75
  4. Step 4: Simplify right side
    1,673.61x = 3,295,330.69
  5. Step 5: Solve for x
    x = 3,295,330.69/1,673.61
  6. Step 6: Final answer
    x = 1,969.00

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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.