Home / 1,532.56-2,114.18-1,001.20

Finding the Fourth Proportional to 1,532.56, 2,114.18 and 1,001.20

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Solution

The fourth proportional to 1,532.56, 2,114.18 and 1,001.20 is: 1,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.56 : 2,114.18 = 1,001.20 : x
  2. Step 2: Convert to fraction form
    1,532.56/2,114.18 = 1,001.20/x
  3. Step 3: Cross multiply
    1,532.56x = 2,114.18 × 1,001.20
  4. Step 4: Simplify right side
    1,532.56x = 2,116,717.02
  5. Step 5: Solve for x
    x = 2,116,717.02/1,532.56
  6. Step 6: Final answer
    x = 1,381.16

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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.