Home / 1,562.58-2,151.66-1,352.40

Finding the Fourth Proportional to 1,562.58, 2,151.66 and 1,352.40

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Solution

The fourth proportional to 1,562.58, 2,151.66 and 1,352.40 is: 1,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.58 : 2,151.66 = 1,352.40 : x
  2. Step 2: Convert to fraction form
    1,562.58/2,151.66 = 1,352.40/x
  3. Step 3: Cross multiply
    1,562.58x = 2,151.66 × 1,352.40
  4. Step 4: Simplify right side
    1,562.58x = 2,909,904.98
  5. Step 5: Solve for x
    x = 2,909,904.98/1,562.58
  6. Step 6: Final answer
    x = 1,862.24

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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.