Home / 2,405.37-3,319.48-1,357.50

Finding the Fourth Proportional to 2,405.37, 3,319.48 and 1,357.50

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Solution

The fourth proportional to 2,405.37, 3,319.48 and 1,357.50 is: 1,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.37 : 3,319.48 = 1,357.50 : x
  2. Step 2: Convert to fraction form
    2,405.37/3,319.48 = 1,357.50/x
  3. Step 3: Cross multiply
    2,405.37x = 3,319.48 × 1,357.50
  4. Step 4: Simplify right side
    2,405.37x = 4,506,190.71
  5. Step 5: Solve for x
    x = 4,506,190.71/2,405.37
  6. Step 6: Final answer
    x = 1,873.39

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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.