Home / 2,485.54-3,430.20-1,437.67

Finding the Fourth Proportional to 2,485.54, 3,430.20 and 1,437.67

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Solution

The fourth proportional to 2,485.54, 3,430.20 and 1,437.67 is: 1,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.54 : 3,430.20 = 1,437.67 : x
  2. Step 2: Convert to fraction form
    2,485.54/3,430.20 = 1,437.67/x
  3. Step 3: Cross multiply
    2,485.54x = 3,430.20 × 1,437.67
  4. Step 4: Simplify right side
    2,485.54x = 4,931,495.63
  5. Step 5: Solve for x
    x = 4,931,495.63/2,485.54
  6. Step 6: Final answer
    x = 1,984.07

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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.