Home / 1,532.48-2,284.18-1,421.68

Finding the Fourth Proportional to 1,532.48, 2,284.18 and 1,421.68

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Solution

The fourth proportional to 1,532.48, 2,284.18 and 1,421.68 is: 2,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.48 : 2,284.18 = 1,421.68 : x
  2. Step 2: Convert to fraction form
    1,532.48/2,284.18 = 1,421.68/x
  3. Step 3: Cross multiply
    1,532.48x = 2,284.18 × 1,421.68
  4. Step 4: Simplify right side
    1,532.48x = 3,247,373.02
  5. Step 5: Solve for x
    x = 3,247,373.02/1,532.48
  6. Step 6: Final answer
    x = 2,119.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.