Home / 1,492.40-2,056.44-1,050.80

Finding the Fourth Proportional to 1,492.40, 2,056.44 and 1,050.80

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Solution

The fourth proportional to 1,492.40, 2,056.44 and 1,050.80 is: 1,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.40 : 2,056.44 = 1,050.80 : x
  2. Step 2: Convert to fraction form
    1,492.40/2,056.44 = 1,050.80/x
  3. Step 3: Cross multiply
    1,492.40x = 2,056.44 × 1,050.80
  4. Step 4: Simplify right side
    1,492.40x = 2,160,907.15
  5. Step 5: Solve for x
    x = 2,160,907.15/1,492.40
  6. Step 6: Final answer
    x = 1,447.94

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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.