Home / 1,503.02-2,073.65-1,077.30

Finding the Fourth Proportional to 1,503.02, 2,073.65 and 1,077.30

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Solution

The fourth proportional to 1,503.02, 2,073.65 and 1,077.30 is: 1,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.02 : 2,073.65 = 1,077.30 : x
  2. Step 2: Convert to fraction form
    1,503.02/2,073.65 = 1,077.30/x
  3. Step 3: Cross multiply
    1,503.02x = 2,073.65 × 1,077.30
  4. Step 4: Simplify right side
    1,503.02x = 2,233,927.39
  5. Step 5: Solve for x
    x = 2,233,927.39/1,503.02
  6. Step 6: Final answer
    x = 1,486.30

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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.