Home / 1,567.26-2,162.77-904.48

Finding the Fourth Proportional to 1,567.26, 2,162.77 and 904.48

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Solution

The fourth proportional to 1,567.26, 2,162.77 and 904.48 is: 1,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.26 : 2,162.77 = 904.48 : x
  2. Step 2: Convert to fraction form
    1,567.26/2,162.77 = 904.48/x
  3. Step 3: Cross multiply
    1,567.26x = 2,162.77 × 904.48
  4. Step 4: Simplify right side
    1,567.26x = 1,956,182.21
  5. Step 5: Solve for x
    x = 1,956,182.21/1,567.26
  6. Step 6: Final answer
    x = 1,248.15

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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.