Home / 2,492.28-3,439.54-1,430.14

Finding the Fourth Proportional to 2,492.28, 3,439.54 and 1,430.14

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Solution

The fourth proportional to 2,492.28, 3,439.54 and 1,430.14 is: 1,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.28 : 3,439.54 = 1,430.14 : x
  2. Step 2: Convert to fraction form
    2,492.28/3,439.54 = 1,430.14/x
  3. Step 3: Cross multiply
    2,492.28x = 3,439.54 × 1,430.14
  4. Step 4: Simplify right side
    2,492.28x = 4,919,023.74
  5. Step 5: Solve for x
    x = 4,919,023.74/2,492.28
  6. Step 6: Final answer
    x = 1,973.70

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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.