Home / 1,534.59-2,118.47-975.33

Finding the Fourth Proportional to 1,534.59, 2,118.47 and 975.33

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Solution

The fourth proportional to 1,534.59, 2,118.47 and 975.33 is: 1,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.59 : 2,118.47 = 975.33 : x
  2. Step 2: Convert to fraction form
    1,534.59/2,118.47 = 975.33/x
  3. Step 3: Cross multiply
    1,534.59x = 2,118.47 × 975.33
  4. Step 4: Simplify right side
    1,534.59x = 2,066,202.47
  5. Step 5: Solve for x
    x = 2,066,202.47/1,534.59
  6. Step 6: Final answer
    x = 1,346.42

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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.