Home / 1,567.19-2,162.16-937.28

Finding the Fourth Proportional to 1,567.19, 2,162.16 and 937.28

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Solution

The fourth proportional to 1,567.19, 2,162.16 and 937.28 is: 1,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.19 : 2,162.16 = 937.28 : x
  2. Step 2: Convert to fraction form
    1,567.19/2,162.16 = 937.28/x
  3. Step 3: Cross multiply
    1,567.19x = 2,162.16 × 937.28
  4. Step 4: Simplify right side
    1,567.19x = 2,026,549.32
  5. Step 5: Solve for x
    x = 2,026,549.32/1,567.19
  6. Step 6: Final answer
    x = 1,293.11

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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.