Home / 1,693.37-2,337.04-947.51

Finding the Fourth Proportional to 1,693.37, 2,337.04 and 947.51

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Solution

The fourth proportional to 1,693.37, 2,337.04 and 947.51 is: 1,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.37 : 2,337.04 = 947.51 : x
  2. Step 2: Convert to fraction form
    1,693.37/2,337.04 = 947.51/x
  3. Step 3: Cross multiply
    1,693.37x = 2,337.04 × 947.51
  4. Step 4: Simplify right side
    1,693.37x = 2,214,367.03
  5. Step 5: Solve for x
    x = 2,214,367.03/1,693.37
  6. Step 6: Final answer
    x = 1,307.67

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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.