Home / 1,715.34-2,572.40-837.58

Finding the Fourth Proportional to 1,715.34, 2,572.40 and 837.58

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Solution

The fourth proportional to 1,715.34, 2,572.40 and 837.58 is: 1,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.34 : 2,572.40 = 837.58 : x
  2. Step 2: Convert to fraction form
    1,715.34/2,572.40 = 837.58/x
  3. Step 3: Cross multiply
    1,715.34x = 2,572.40 × 837.58
  4. Step 4: Simplify right side
    1,715.34x = 2,154,590.79
  5. Step 5: Solve for x
    x = 2,154,590.79/1,715.34
  6. Step 6: Final answer
    x = 1,256.07

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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.