Home / 1,530.02-2,291.46-1,118.14

Finding the Fourth Proportional to 1,530.02, 2,291.46 and 1,118.14

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Solution

The fourth proportional to 1,530.02, 2,291.46 and 1,118.14 is: 1,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.02 : 2,291.46 = 1,118.14 : x
  2. Step 2: Convert to fraction form
    1,530.02/2,291.46 = 1,118.14/x
  3. Step 3: Cross multiply
    1,530.02x = 2,291.46 × 1,118.14
  4. Step 4: Simplify right side
    1,530.02x = 2,562,173.08
  5. Step 5: Solve for x
    x = 2,562,173.08/1,530.02
  6. Step 6: Final answer
    x = 1,674.60

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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.