Home / 1,972.48-2,969.40-1,800.25

Finding the Fourth Proportional to 1,972.48, 2,969.40 and 1,800.25

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Solution

The fourth proportional to 1,972.48, 2,969.40 and 1,800.25 is: 2,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.48 : 2,969.40 = 1,800.25 : x
  2. Step 2: Convert to fraction form
    1,972.48/2,969.40 = 1,800.25/x
  3. Step 3: Cross multiply
    1,972.48x = 2,969.40 × 1,800.25
  4. Step 4: Simplify right side
    1,972.48x = 5,345,638.50
  5. Step 5: Solve for x
    x = 5,345,638.50/1,972.48
  6. Step 6: Final answer
    x = 2,710.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.