Home / 1,544.01-2,130.65-914.41

Finding the Fourth Proportional to 1,544.01, 2,130.65 and 914.41

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Solution

The fourth proportional to 1,544.01, 2,130.65 and 914.41 is: 1,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.01 : 2,130.65 = 914.41 : x
  2. Step 2: Convert to fraction form
    1,544.01/2,130.65 = 914.41/x
  3. Step 3: Cross multiply
    1,544.01x = 2,130.65 × 914.41
  4. Step 4: Simplify right side
    1,544.01x = 1,948,282.35
  5. Step 5: Solve for x
    x = 1,948,282.35/1,544.01
  6. Step 6: Final answer
    x = 1,261.83

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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.