Home / 2,492.16-3,439.04-1,430.12

Finding the Fourth Proportional to 2,492.16, 3,439.04 and 1,430.12

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Solution

The fourth proportional to 2,492.16, 3,439.04 and 1,430.12 is: 1,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.16 : 3,439.04 = 1,430.12 : x
  2. Step 2: Convert to fraction form
    2,492.16/3,439.04 = 1,430.12/x
  3. Step 3: Cross multiply
    2,492.16x = 3,439.04 × 1,430.12
  4. Step 4: Simplify right side
    2,492.16x = 4,918,239.88
  5. Step 5: Solve for x
    x = 4,918,239.88/2,492.16
  6. Step 6: Final answer
    x = 1,973.48

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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.