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Finding the Fourth Proportional to 1,756.70, 2,424.13 and 970.69

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Solution

The fourth proportional to 1,756.70, 2,424.13 and 970.69 is: 1,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.70 : 2,424.13 = 970.69 : x
  2. Step 2: Convert to fraction form
    1,756.70/2,424.13 = 970.69/x
  3. Step 3: Cross multiply
    1,756.70x = 2,424.13 × 970.69
  4. Step 4: Simplify right side
    1,756.70x = 2,353,070.26
  5. Step 5: Solve for x
    x = 2,353,070.26/1,756.70
  6. Step 6: Final answer
    x = 1,339.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.