Home / 1,715.34-2,572.38-837.30

Finding the Fourth Proportional to 1,715.34, 2,572.38 and 837.30

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Solution

The fourth proportional to 1,715.34, 2,572.38 and 837.30 is: 1,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.34 : 2,572.38 = 837.30 : x
  2. Step 2: Convert to fraction form
    1,715.34/2,572.38 = 837.30/x
  3. Step 3: Cross multiply
    1,715.34x = 2,572.38 × 837.30
  4. Step 4: Simplify right side
    1,715.34x = 2,153,853.77
  5. Step 5: Solve for x
    x = 2,153,853.77/1,715.34
  6. Step 6: Final answer
    x = 1,255.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.