Home / 1,567.22-2,162.75-904.06

Finding the Fourth Proportional to 1,567.22, 2,162.75 and 904.06

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Solution

The fourth proportional to 1,567.22, 2,162.75 and 904.06 is: 1,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.22 : 2,162.75 = 904.06 : x
  2. Step 2: Convert to fraction form
    1,567.22/2,162.75 = 904.06/x
  3. Step 3: Cross multiply
    1,567.22x = 2,162.75 × 904.06
  4. Step 4: Simplify right side
    1,567.22x = 1,955,255.77
  5. Step 5: Solve for x
    x = 1,955,255.77/1,567.22
  6. Step 6: Final answer
    x = 1,247.59

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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.