Home / 1,530.12-2,294.63-837.30

Finding the Fourth Proportional to 1,530.12, 2,294.63 and 837.30

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Solution

The fourth proportional to 1,530.12, 2,294.63 and 837.30 is: 1,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.12 : 2,294.63 = 837.30 : x
  2. Step 2: Convert to fraction form
    1,530.12/2,294.63 = 837.30/x
  3. Step 3: Cross multiply
    1,530.12x = 2,294.63 × 837.30
  4. Step 4: Simplify right side
    1,530.12x = 1,921,289.51
  5. Step 5: Solve for x
    x = 1,921,289.51/1,530.12
  6. Step 6: Final answer
    x = 1,255.65

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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.