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Finding the Fourth Proportional to 1,569.04, 2,165.38 and 906.02

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Solution

The fourth proportional to 1,569.04, 2,165.38 and 906.02 is: 1,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.04 : 2,165.38 = 906.02 : x
  2. Step 2: Convert to fraction form
    1,569.04/2,165.38 = 906.02/x
  3. Step 3: Cross multiply
    1,569.04x = 2,165.38 × 906.02
  4. Step 4: Simplify right side
    1,569.04x = 1,961,877.59
  5. Step 5: Solve for x
    x = 1,961,877.59/1,569.04
  6. Step 6: Final answer
    x = 1,250.37

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1.5x scale

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.