Home / 1,478.07-2,038.05-1,104.42

Finding the Fourth Proportional to 1,478.07, 2,038.05 and 1,104.42

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Solution

The fourth proportional to 1,478.07, 2,038.05 and 1,104.42 is: 1,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.07 : 2,038.05 = 1,104.42 : x
  2. Step 2: Convert to fraction form
    1,478.07/2,038.05 = 1,104.42/x
  3. Step 3: Cross multiply
    1,478.07x = 2,038.05 × 1,104.42
  4. Step 4: Simplify right side
    1,478.07x = 2,250,863.18
  5. Step 5: Solve for x
    x = 2,250,863.18/1,478.07
  6. Step 6: Final answer
    x = 1,522.84

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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.