Home / 1,440.08-2,156.46-952.40

Finding the Fourth Proportional to 1,440.08, 2,156.46 and 952.40

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Solution

The fourth proportional to 1,440.08, 2,156.46 and 952.40 is: 1,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.08 : 2,156.46 = 952.40 : x
  2. Step 2: Convert to fraction form
    1,440.08/2,156.46 = 952.40/x
  3. Step 3: Cross multiply
    1,440.08x = 2,156.46 × 952.40
  4. Step 4: Simplify right side
    1,440.08x = 2,053,812.50
  5. Step 5: Solve for x
    x = 2,053,812.50/1,440.08
  6. Step 6: Final answer
    x = 1,426.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.