Home / 1,534.01-2,116.90-904.56

Finding the Fourth Proportional to 1,534.01, 2,116.90 and 904.56

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Solution

The fourth proportional to 1,534.01, 2,116.90 and 904.56 is: 1,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.01 : 2,116.90 = 904.56 : x
  2. Step 2: Convert to fraction form
    1,534.01/2,116.90 = 904.56/x
  3. Step 3: Cross multiply
    1,534.01x = 2,116.90 × 904.56
  4. Step 4: Simplify right side
    1,534.01x = 1,914,860.80
  5. Step 5: Solve for x
    x = 1,914,860.80/1,534.01
  6. Step 6: Final answer
    x = 1,248.28

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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.