Home / 1,756.40-2,424.56-1,358.19

Finding the Fourth Proportional to 1,756.40, 2,424.56 and 1,358.19

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Solution

The fourth proportional to 1,756.40, 2,424.56 and 1,358.19 is: 1,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.40 : 2,424.56 = 1,358.19 : x
  2. Step 2: Convert to fraction form
    1,756.40/2,424.56 = 1,358.19/x
  3. Step 3: Cross multiply
    1,756.40x = 2,424.56 × 1,358.19
  4. Step 4: Simplify right side
    1,756.40x = 3,293,006.36
  5. Step 5: Solve for x
    x = 3,293,006.36/1,756.40
  6. Step 6: Final answer
    x = 1,874.87

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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.