Home / 1,652.89-2,465.80-1,603.12

Finding the Fourth Proportional to 1,652.89, 2,465.80 and 1,603.12

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Solution

The fourth proportional to 1,652.89, 2,465.80 and 1,603.12 is: 2,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.89 : 2,465.80 = 1,603.12 : x
  2. Step 2: Convert to fraction form
    1,652.89/2,465.80 = 1,603.12/x
  3. Step 3: Cross multiply
    1,652.89x = 2,465.80 × 1,603.12
  4. Step 4: Simplify right side
    1,652.89x = 3,952,973.30
  5. Step 5: Solve for x
    x = 3,952,973.30/1,652.89
  6. Step 6: Final answer
    x = 2,391.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.