Home / 2,492.96-3,440.58-1,445.06

Finding the Fourth Proportional to 2,492.96, 3,440.58 and 1,445.06

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Solution

The fourth proportional to 2,492.96, 3,440.58 and 1,445.06 is: 1,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.96 : 3,440.58 = 1,445.06 : x
  2. Step 2: Convert to fraction form
    2,492.96/3,440.58 = 1,445.06/x
  3. Step 3: Cross multiply
    2,492.96x = 3,440.58 × 1,445.06
  4. Step 4: Simplify right side
    2,492.96x = 4,971,844.53
  5. Step 5: Solve for x
    x = 4,971,844.53/2,492.96
  6. Step 6: Final answer
    x = 1,994.35

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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.