Home / 1,962.36-2,707.79-1,565.01

Finding the Fourth Proportional to 1,962.36, 2,707.79 and 1,565.01

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Solution

The fourth proportional to 1,962.36, 2,707.79 and 1,565.01 is: 2,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.36 : 2,707.79 = 1,565.01 : x
  2. Step 2: Convert to fraction form
    1,962.36/2,707.79 = 1,565.01/x
  3. Step 3: Cross multiply
    1,962.36x = 2,707.79 × 1,565.01
  4. Step 4: Simplify right side
    1,962.36x = 4,237,710.60
  5. Step 5: Solve for x
    x = 4,237,710.60/1,962.36
  6. Step 6: Final answer
    x = 2,159.50

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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.