Home / 2,430.08-3,642.56-890.24

Finding the Fourth Proportional to 2,430.08, 3,642.56 and 890.24

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Solution

The fourth proportional to 2,430.08, 3,642.56 and 890.24 is: 1,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.08 : 3,642.56 = 890.24 : x
  2. Step 2: Convert to fraction form
    2,430.08/3,642.56 = 890.24/x
  3. Step 3: Cross multiply
    2,430.08x = 3,642.56 × 890.24
  4. Step 4: Simplify right side
    2,430.08x = 3,242,752.61
  5. Step 5: Solve for x
    x = 3,242,752.61/2,430.08
  6. Step 6: Final answer
    x = 1,334.42

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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.