Home / 2,400.47-3,312.68-1,352.53

Finding the Fourth Proportional to 2,400.47, 3,312.68 and 1,352.53

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Solution

The fourth proportional to 2,400.47, 3,312.68 and 1,352.53 is: 1,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.47 : 3,312.68 = 1,352.53 : x
  2. Step 2: Convert to fraction form
    2,400.47/3,312.68 = 1,352.53/x
  3. Step 3: Cross multiply
    2,400.47x = 3,312.68 × 1,352.53
  4. Step 4: Simplify right side
    2,400.47x = 4,480,504.07
  5. Step 5: Solve for x
    x = 4,480,504.07/2,400.47
  6. Step 6: Final answer
    x = 1,866.51

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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.