Home / 1,897.08-2,617.65-1,057.59

Finding the Fourth Proportional to 1,897.08, 2,617.65 and 1,057.59

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Solution

The fourth proportional to 1,897.08, 2,617.65 and 1,057.59 is: 1,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.08 : 2,617.65 = 1,057.59 : x
  2. Step 2: Convert to fraction form
    1,897.08/2,617.65 = 1,057.59/x
  3. Step 3: Cross multiply
    1,897.08x = 2,617.65 × 1,057.59
  4. Step 4: Simplify right side
    1,897.08x = 2,768,400.46
  5. Step 5: Solve for x
    x = 2,768,400.46/1,897.08
  6. Step 6: Final answer
    x = 1,459.30

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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.