Home / 1,534.95-2,117.93-975.51

Finding the Fourth Proportional to 1,534.95, 2,117.93 and 975.51

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Solution

The fourth proportional to 1,534.95, 2,117.93 and 975.51 is: 1,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.95 : 2,117.93 = 975.51 : x
  2. Step 2: Convert to fraction form
    1,534.95/2,117.93 = 975.51/x
  3. Step 3: Cross multiply
    1,534.95x = 2,117.93 × 975.51
  4. Step 4: Simplify right side
    1,534.95x = 2,066,061.89
  5. Step 5: Solve for x
    x = 2,066,061.89/1,534.95
  6. Step 6: Final answer
    x = 1,346.01

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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.